IServiceCollection Interface

Definition

Namespace:: Microsoft.Extensions.DependencyInjection

Assembly:: Microsoft.Extensions.DependencyInjection.Abstractions.dll

Package:: Microsoft.Extensions.DependencyInjection.Abstractions v11.0.0-preview.4.26230.115

Source:: IServiceCollection.cs

Source:: IServiceCollection.cs

Source:: IServiceCollection.cs

Source:: IServiceCollection.cs

Important

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Specifies the contract for a collection of service descriptors.

public interface class IServiceCollection : System::Collections::Generic::ICollection<Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^>, System::Collections::Generic::IEnumerable<Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^>, System::Collections::Generic::IList<Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^>

public interface IServiceCollection : System.Collections.Generic.ICollection<Microsoft.Extensions.DependencyInjection.ServiceDescriptor>, System.Collections.Generic.IEnumerable<Microsoft.Extensions.DependencyInjection.ServiceDescriptor>, System.Collections.Generic.IList<Microsoft.Extensions.DependencyInjection.ServiceDescriptor>

type IServiceCollection = interface
    interface IList<ServiceDescriptor>
    interface ICollection<ServiceDescriptor>
    interface seq<ServiceDescriptor>
    interface IEnumerable

type IServiceCollection = interface
    interface ICollection<ServiceDescriptor>
    interface seq<ServiceDescriptor>
    interface IEnumerable
    interface IList<ServiceDescriptor>

Public Interface IServiceCollection
Implements ICollection(Of ServiceDescriptor), IEnumerable(Of ServiceDescriptor), IList(Of ServiceDescriptor)

Derived: Microsoft.Extensions.DependencyInjection.ServiceCollection

Implements: ICollection<ServiceDescriptor> ICollection<T> IEnumerable<ServiceDescriptor> IEnumerable<T> IList<ServiceDescriptor> IEnumerable

Properties

Name	Description
Count	Gets the number of elements contained in the ICollection<T>. (Inherited from ICollection<T>)
IsReadOnly	Gets a value indicating whether the ICollection<T> is read-only. (Inherited from ICollection<T>)
Item[Int32]	Gets or sets the element at the specified index. (Inherited from IList<T>)

Methods

Name	Description
Add(T)	Adds an item to the ICollection<T>. (Inherited from ICollection<T>)
Clear()	Removes all items from the ICollection<T>. (Inherited from ICollection<T>)
Contains(T)	Determines whether the ICollection<T> contains a specific value. (Inherited from ICollection<T>)
CopyTo(T[], Int32)	Copies the elements of the ICollection<T> to an Array, starting at a particular Array index. (Inherited from ICollection<T>)
GetEnumerator()	Returns an enumerator that iterates through a collection. (Inherited from IEnumerable)
IndexOf(T)	Determines the index of a specific item in the IList<T>. (Inherited from IList<T>)
Insert(Int32, T)	Inserts an item to the IList<T> at the specified index. (Inherited from IList<T>)
Remove(T)	Removes the first occurrence of a specific object from the ICollection<T>. (Inherited from ICollection<T>)
RemoveAt(Int32)	Removes the IList<T> item at the specified index. (Inherited from IList<T>)

Extension Methods

Name	Description
ActivateKeyedSingleton(IServiceCollection, Type, Object)	Enforces keyed singleton activation at startup time rather than at runtime.
ActivateKeyedSingleton<TService>(IServiceCollection, Object)	Enforces keyed singleton activation at startup time rather than at runtime.
ActivateSingleton(IServiceCollection, Type)	Enforces singleton activation at startup time rather than at runtime.
ActivateSingleton<TService>(IServiceCollection)	Enforces singleton activation at startup time rather than at runtime.
Add(IServiceCollection, IEnumerable<ServiceDescriptor>)	Adds a sequence of ServiceDescriptor to the `collection`.
Add(IServiceCollection, ServiceDescriptor)	Adds the specified `descriptor` to the `collection`.
AddActivatedKeyedSingleton(IServiceCollection, Type, Object, Func<IServiceProvider,Object,Object>)	Adds an auto-activated keyed singleton service.
AddActivatedKeyedSingleton(IServiceCollection, Type, Object, Type)	Adds an auto-activated keyed singleton service.
AddActivatedKeyedSingleton(IServiceCollection, Type, Object)	Adds an auto-activated keyed singleton service.
AddActivatedKeyedSingleton<TService,TImplementation>(IServiceCollection, Object, Func<IServiceProvider,Object,TImplementation>)	Adds an auto-activated keyed singleton service.
AddActivatedKeyedSingleton<TService,TImplementation>(IServiceCollection, Object)	Adds an auto-activated keyed singleton service.
AddActivatedKeyedSingleton<TService>(IServiceCollection, Object, Func<IServiceProvider,Object,TService>)	Adds an auto-activated keyed singleton service.
AddActivatedKeyedSingleton<TService>(IServiceCollection, Object)	Adds an auto-activated keyed singleton service.
AddActivatedSingleton(IServiceCollection, Type, Func<IServiceProvider,Object>)	Adds an auto-activated singleton service.
AddActivatedSingleton(IServiceCollection, Type, Type)	Adds an auto-activated singleton service.
AddActivatedSingleton(IServiceCollection, Type)	Adds an auto-activated singleton service of the type specified in serviceType to the specified IServiceCollection.
AddActivatedSingleton<TService,TImplementation>(IServiceCollection, Func<IServiceProvider,TImplementation>)	Adds an auto-activated singleton service.
AddActivatedSingleton<TService,TImplementation>(IServiceCollection)	Adds an auto-activated singleton service.
AddActivatedSingleton<TService>(IServiceCollection, Func<IServiceProvider,TService>)	Adds an auto-activated singleton service.
AddActivatedSingleton<TService>(IServiceCollection)	Adds an auto-activated singleton service.
AddApplicationLogEnricher(IServiceCollection, Action<ApplicationLogEnricherOptions>)	Adds an instance of the application enricher to the IServiceCollection.
AddApplicationLogEnricher(IServiceCollection, IConfigurationSection)	Adds an instance of the application enricher to the IServiceCollection.
AddApplicationLogEnricher(IServiceCollection)	Adds an instance of the application enricher to the IServiceCollection.
AddApplicationMetadata(IServiceCollection, Action<ApplicationMetadata>)	Adds an instance of ApplicationMetadata to a dependency injection container.
AddApplicationMetadata(IServiceCollection, IConfigurationSection)	Adds an instance of ApplicationMetadata to a dependency injection container.
AddAsyncState(IServiceCollection)	Adds default implementations for IAsyncState, IAsyncContext<T>, and Microsoft.Extensions.AsyncState.IAsyncLocalContext`1 services. Please note that implementations of these interfaces are not thread safe.
AddBuildMetadata(IServiceCollection, Action<BuildMetadata>)	Adds an instance of BuildMetadata to the IServiceCollection.
AddBuildMetadata(IServiceCollection, IConfigurationSection)	Adds an instance of BuildMetadata to the IServiceCollection.
AddChatClient(IServiceCollection, Func<IServiceProvider,IChatClient>, ServiceLifetime)	Registers a singleton IChatClient in the IServiceCollection.
AddChatClient(IServiceCollection, IChatClient, ServiceLifetime)	Registers a singleton IChatClient in the IServiceCollection.
AddConsoleLatencyDataExporter(IServiceCollection, Action<LatencyConsoleOptions>)	Add latency data exporter for the console.
AddConsoleLatencyDataExporter(IServiceCollection, IConfigurationSection)	Add latency data exporter for the console.
AddConsoleLatencyDataExporter(IServiceCollection)	Add latency data exporter for the console.
AddContextualOptions(IServiceCollection)	Adds services required for using contextual options.
AddDistributedMemoryCache(IServiceCollection, Action<MemoryDistributedCacheOptions>)	Adds a default implementation of IDistributedCache that stores items in memory to the IServiceCollection. Frameworks that require a distributed cache to work can safely add this dependency as part of their dependency list to ensure that there is at least one implementation available.
AddDistributedMemoryCache(IServiceCollection)	Adds a default implementation of IDistributedCache that stores items in memory to the IServiceCollection. Frameworks that require a distributed cache to work can safely add this dependency as part of their dependency list to ensure that there is at least one implementation available.
AddDistributedRedisCache(IServiceCollection, Action<RedisCacheOptions>)	Adds Redis distributed caching services to the specified IServiceCollection.
AddDistributedSqlServerCache(IServiceCollection, Action<SqlServerCacheOptions>)	Adds Microsoft SQL Server distributed caching services to the specified IServiceCollection.
AddDownstreamDependencyMetadata(IServiceCollection, IDownstreamDependencyMetadata)	Adds dependency metadata.
AddDownstreamDependencyMetadata<T>(IServiceCollection)	Adds dependency metadata.
AddEmbeddingGenerator<TInput,TEmbedding>(IServiceCollection, Func<IServiceProvider,IEmbeddingGenerator<TInput,TEmbedding>>, ServiceLifetime)	Registers a singleton embedding generator in the IServiceCollection.
AddEmbeddingGenerator<TInput,TEmbedding>(IServiceCollection, IEmbeddingGenerator<TInput,TEmbedding>, ServiceLifetime)	Registers a singleton embedding generator in the IServiceCollection.
AddExceptionSummarizer(IServiceCollection, Action<IExceptionSummarizationBuilder>)	Registers an exception summarizer into a dependency injection container.
AddExceptionSummarizer(IServiceCollection)	Registers an exception summarizer into a dependency injection container.
AddExtendedHttpClientLogging(IServiceCollection, Action<LoggingOptions>)	Adds an IHttpClientAsyncLogger to emit logs for outgoing requests for all HTTP clients created with IHttpClientFactory.
AddExtendedHttpClientLogging(IServiceCollection, IConfigurationSection)	Adds an IHttpClientAsyncLogger to emit logs for outgoing requests for all HTTP clients created with IHttpClientFactory.
AddExtendedHttpClientLogging(IServiceCollection)	Adds an IHttpClientAsyncLogger to emit logs for outgoing requests for all HTTP clients created with IHttpClientFactory.
AddFakeLogging(IServiceCollection, Action<FakeLogCollectorOptions>)	Configures fake logging.
AddFakeLogging(IServiceCollection, IConfigurationSection)	Configures fake logging.
AddFakeLogging(IServiceCollection)	Configures fake logging with default options.
AddFakeRedaction(IServiceCollection, Action<FakeRedactorOptions>)	Registers the fake redactor provider that always returns fake redactor instances.
AddFakeRedaction(IServiceCollection)	Registers the fake redactor provider that always returns fake redactor instances.
AddHealthChecks(IServiceCollection)	Adds the HealthCheckService to the container, using the provided delegate to register health checks.
AddHostedService<THostedService>(IServiceCollection, Func<IServiceProvider,THostedService>)	Add an IHostedService registration for the given type.
AddHostedService<THostedService>(IServiceCollection)	Add an IHostedService registration for the given type.
AddHttpClient(IServiceCollection, String, Action<HttpClient>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a named HttpClient.
AddHttpClient(IServiceCollection, String, Action<IServiceProvider,HttpClient>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a named HttpClient.
AddHttpClient(IServiceCollection, String)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a named HttpClient.
AddHttpClient(IServiceCollection)	Adds the IHttpClientFactory and related services to the IServiceCollection.
AddHttpClient<TClient,TImplementation>(IServiceCollection, Action<HttpClient>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient. The client name will be set to the type name of `TClient`.
AddHttpClient<TClient,TImplementation>(IServiceCollection, Action<IServiceProvider,HttpClient>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient. The client name will be set to the type name of `TClient`.
AddHttpClient<TClient,TImplementation>(IServiceCollection, Func<HttpClient,IServiceProvider,TImplementation>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient.
AddHttpClient<TClient,TImplementation>(IServiceCollection, Func<HttpClient,TImplementation>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient.
AddHttpClient<TClient,TImplementation>(IServiceCollection, String, Action<HttpClient>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient.
AddHttpClient<TClient,TImplementation>(IServiceCollection, String, Action<IServiceProvider,HttpClient>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient.
AddHttpClient<TClient,TImplementation>(IServiceCollection, String, Func<HttpClient,IServiceProvider,TImplementation>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient.
AddHttpClient<TClient,TImplementation>(IServiceCollection, String, Func<HttpClient,TImplementation>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient.
AddHttpClient<TClient,TImplementation>(IServiceCollection, String)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient.
AddHttpClient<TClient,TImplementation>(IServiceCollection)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient. The client name will be set to the type name of `TClient`.
AddHttpClient<TClient>(IServiceCollection, Action<HttpClient>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient. The client name will be set to the type name of `TClient`.
AddHttpClient<TClient>(IServiceCollection, Action<IServiceProvider,HttpClient>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient. The client name will be set to the type name of `TClient`.
AddHttpClient<TClient>(IServiceCollection, String, Action<HttpClient>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient.
AddHttpClient<TClient>(IServiceCollection, String, Action<IServiceProvider,HttpClient>)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient.
AddHttpClient<TClient>(IServiceCollection, String)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient.
AddHttpClient<TClient>(IServiceCollection)	Adds the IHttpClientFactory and related services to the IServiceCollection and configures a binding between the `TClient` type and a named HttpClient. The client name will be set to the type name of `TClient`.
AddHttpClientLatencyTelemetry(IServiceCollection, Action<HttpClientLatencyTelemetryOptions>)	Adds a DelegatingHandler to collect latency information and enrich outgoing request log for all http clients.
AddHttpClientLatencyTelemetry(IServiceCollection, IConfigurationSection)	Adds a DelegatingHandler to collect latency information and enrich outgoing request log for all http clients.
AddHttpClientLatencyTelemetry(IServiceCollection)	Adds a DelegatingHandler to collect latency information and enrich outgoing request log for all http clients.
AddHttpClientLogEnricher<T>(IServiceCollection)	Adds an enricher instance of `T` to the IServiceCollection to enrich HttpClient logs.
AddImageGenerator(IServiceCollection, Func<IServiceProvider,IImageGenerator>, ServiceLifetime)	Registers a singleton IImageGenerator in the IServiceCollection.
AddImageGenerator(IServiceCollection, IImageGenerator, ServiceLifetime)	Registers a singleton IImageGenerator in the IServiceCollection.
AddKeyedChatClient(IServiceCollection, Object, Func<IServiceProvider,IChatClient>, ServiceLifetime)	Registers a keyed singleton IChatClient in the IServiceCollection.
AddKeyedChatClient(IServiceCollection, Object, IChatClient, ServiceLifetime)	Registers a keyed singleton IChatClient in the IServiceCollection.
AddKeyedEmbeddingGenerator<TInput,TEmbedding>(IServiceCollection, Object, Func<IServiceProvider,IEmbeddingGenerator<TInput,TEmbedding>>, ServiceLifetime)	Registers a keyed singleton embedding generator in the IServiceCollection.
AddKeyedEmbeddingGenerator<TInput,TEmbedding>(IServiceCollection, Object, IEmbeddingGenerator<TInput,TEmbedding>, ServiceLifetime)	Registers a keyed singleton embedding generator in the IServiceCollection.
AddKeyedImageGenerator(IServiceCollection, Object, Func<IServiceProvider,IImageGenerator>, ServiceLifetime)	Registers a keyed singleton IImageGenerator in the IServiceCollection.
AddKeyedImageGenerator(IServiceCollection, Object, IImageGenerator, ServiceLifetime)	Registers a keyed singleton IImageGenerator in the IServiceCollection.
AddKeyedScoped(IServiceCollection, Type, Object, Func<IServiceProvider,Object,Object>)	Adds a scoped service of the type specified in `serviceType` with a factory specified in `implementationFactory` to the specified IServiceCollection.
AddKeyedScoped(IServiceCollection, Type, Object, Type)	Adds a scoped service of the type specified in `serviceType` with an implementation of the type specified in `implementationType` to the specified IServiceCollection.
AddKeyedScoped(IServiceCollection, Type, Object)	Adds a scoped service of the type specified in `serviceType` to the specified IServiceCollection.
AddKeyedScoped<TService,TImplementation>(IServiceCollection, Object, Func<IServiceProvider,Object,TImplementation>)	Adds a scoped service of the type specified in `TService` with an implementation type specified in `TImplementation` using the factory specified in `implementationFactory` to the specified IServiceCollection.
AddKeyedScoped<TService,TImplementation>(IServiceCollection, Object)	Adds a scoped service of the type specified in `TService` with an implementation type specified in `TImplementation` to the specified IServiceCollection.
AddKeyedScoped<TService>(IServiceCollection, Object, Func<IServiceProvider,Object,TService>)	Adds a scoped service of the type specified in `TService` with a factory specified in `implementationFactory` to the specified IServiceCollection.
AddKeyedScoped<TService>(IServiceCollection, Object)	Adds a scoped service of the type specified in `TService` to the specified IServiceCollection.
AddKeyedSingleton(IServiceCollection, Type, Object, Func<IServiceProvider,Object,Object>)	Adds a singleton service of the type specified in `serviceType` with a factory specified in `implementationFactory` to the specified IServiceCollection.
AddKeyedSingleton(IServiceCollection, Type, Object, Object)	Adds a singleton service of the type specified in `serviceType` with an instance specified in `implementationInstance` to the specified IServiceCollection.
AddKeyedSingleton(IServiceCollection, Type, Object, Type)	Adds a singleton service of the type specified in `serviceType` with an implementation of the type specified in `implementationType` to the specified IServiceCollection.
AddKeyedSingleton(IServiceCollection, Type, Object)	Adds a singleton service of the type specified in `serviceType` to the specified IServiceCollection.
AddKeyedSingleton<TService,TImplementation>(IServiceCollection, Object, Func<IServiceProvider,Object,TImplementation>)	Adds a singleton service of the type specified in `TService` with an implementation type specified in `TImplementation` using the factory specified in `implementationFactory` to the specified IServiceCollection.
AddKeyedSingleton<TService,TImplementation>(IServiceCollection, Object)	Adds a singleton service of the type specified in `TService` with an implementation type specified in `TImplementation` to the specified IServiceCollection.
AddKeyedSingleton<TService>(IServiceCollection, Object, Func<IServiceProvider,Object,TService>)	Adds a singleton service of the type specified in `TService` with a factory specified in `implementationFactory` to the specified IServiceCollection.
AddKeyedSingleton<TService>(IServiceCollection, Object, TService)	Adds a singleton service of the type specified in `TService` with an instance specified in `implementationInstance` to the specified IServiceCollection.
AddKeyedSingleton<TService>(IServiceCollection, Object)	Adds a singleton service of the type specified in `TService` to the specified IServiceCollection.
AddKeyedSpeechToTextClient(IServiceCollection, Object, Func<IServiceProvider,ISpeechToTextClient>, ServiceLifetime)	Registers a keyed singleton ISpeechToTextClient in the IServiceCollection.
AddKeyedSpeechToTextClient(IServiceCollection, Object, ISpeechToTextClient, ServiceLifetime)	Registers a keyed singleton ISpeechToTextClient in the IServiceCollection.
AddKeyedTextToSpeechClient(IServiceCollection, Object, Func<IServiceProvider,ITextToSpeechClient>, ServiceLifetime)	Registers a keyed singleton ITextToSpeechClient in the IServiceCollection.
AddKeyedTextToSpeechClient(IServiceCollection, Object, ITextToSpeechClient, ServiceLifetime)	Registers a keyed singleton ITextToSpeechClient in the IServiceCollection.
AddKeyedTransient(IServiceCollection, Type, Object, Func<IServiceProvider,Object,Object>)	Adds a transient service of the type specified in `serviceType` with a factory specified in `implementationFactory` to the specified IServiceCollection.
AddKeyedTransient(IServiceCollection, Type, Object, Type)	Adds a transient service of the type specified in `serviceType` with an implementation of the type specified in `implementationType` to the specified IServiceCollection.
AddKeyedTransient(IServiceCollection, Type, Object)	Adds a transient service of the type specified in `serviceType` to the specified IServiceCollection.
AddKeyedTransient<TService,TImplementation>(IServiceCollection, Object, Func<IServiceProvider,Object,TImplementation>)	Adds a transient service of the type specified in `TService` with an implementation type specified in `TImplementation` using the factory specified in `implementationFactory` to the specified IServiceCollection.
AddKeyedTransient<TService,TImplementation>(IServiceCollection, Object)	Adds a transient service of the type specified in `TService` with an implementation type specified in `TImplementation` to the specified IServiceCollection.
AddKeyedTransient<TService>(IServiceCollection, Object, Func<IServiceProvider,Object,TService>)	Adds a transient service of the type specified in `TService` with a factory specified in `implementationFactory` to the specified IServiceCollection.
AddKeyedTransient<TService>(IServiceCollection, Object)	Adds a transient service of the type specified in `TService` to the specified IServiceCollection.
AddKubernetesProbes(IServiceCollection, Action<KubernetesProbesOptions>)	Registers liveness, startup and readiness probes using the configured options.
AddKubernetesProbes(IServiceCollection, IConfigurationSection)	Registers liveness, startup and readiness probes using the configured options.
AddKubernetesProbes(IServiceCollection)	Registers liveness, startup and readiness probes using the default options.
AddKubernetesResourceMonitoring(IServiceCollection, String)	Configures and adds an Kubernetes resource monitoring components to a service collection altogether with necessary basic resource monitoring components.
AddLatencyContext(IServiceCollection, Action<LatencyContextOptions>)	Adds latency context.
AddLatencyContext(IServiceCollection, IConfigurationSection)	Adds latency context.
AddLatencyContext(IServiceCollection)	Adds latency context.
AddLocalization(IServiceCollection, Action<LocalizationOptions>)	Adds services required for application localization.
AddLocalization(IServiceCollection)	Adds services required for application localization.
AddLogEnricher(IServiceCollection, ILogEnricher)	Registers a log enricher instance.
AddLogEnricher<T>(IServiceCollection)	Registers a log enricher type.
AddLogging(IServiceCollection, Action<ILoggingBuilder>)	Adds logging services to the specified IServiceCollection.
AddLogging(IServiceCollection)	Adds logging services to the specified IServiceCollection.
AddMemoryCache(IServiceCollection, Action<MemoryCacheOptions>)	Adds a non distributed in-memory implementation of IMemoryCache to the IServiceCollection.
AddMemoryCache(IServiceCollection)	Adds a non distributed in-memory implementation of IMemoryCache to the IServiceCollection.
AddMetrics(IServiceCollection, Action<IMetricsBuilder>)	Adds metrics services to the specified IServiceCollection.
AddMetrics(IServiceCollection)	Adds metrics services to the specified IServiceCollection.
AddNullLatencyContext(IServiceCollection)	Adds a no-op latency context to a dependency injection container.
AddOptions(IServiceCollection)	Adds services required for using options.
AddOptions<TOptions>(IServiceCollection, String)	Gets an options builder that forwards Configure calls for the same named `TOptions` to the underlying service collection.
AddOptions<TOptions>(IServiceCollection)	Gets an options builder that forwards Configure calls for the same `TOptions` to the underlying service collection.
AddOptionsWithValidateOnStart<TOptions,TValidateOptions>(IServiceCollection, String)	Adds services required for using options and enforces options validation check on start rather than at run time.
AddOptionsWithValidateOnStart<TOptions>(IServiceCollection, String)	Adds services required for using options and enforces options validation check on start rather than at run time.
AddPolicyRegistry(IServiceCollection, Action<IServiceProvider,IPolicyRegistry<String>>)	Registers an empty PolicyRegistry in the service collection with service types IPolicyRegistry<TKey>, IReadOnlyPolicyRegistry<TKey>, and IConcurrentPolicyRegistry<TKey> and uses the specified delegate to configure it.
AddPolicyRegistry(IServiceCollection, IPolicyRegistry<String>)	Registers the provided IPolicyRegistry<TKey> in the service collection with service types IPolicyRegistry<TKey>, IReadOnlyPolicyRegistry<TKey>, and IConcurrentPolicyRegistry<TKey> and returns the provided registry.
AddPolicyRegistry(IServiceCollection)	Registers an empty PolicyRegistry in the service collection with service types IPolicyRegistry<TKey>, IReadOnlyPolicyRegistry<TKey>, and IConcurrentPolicyRegistry<TKey> if the service types haven't already been registered and returns the existing or newly created registry.
AddPooled<TService,TImplementation>(IServiceCollection, Action<DependencyInjectionPoolOptions>)	Adds an ObjectPool<T> and lets DI return scoped instances of `TService`.
AddPooled<TService>(IServiceCollection, Action<DependencyInjectionPoolOptions>)	Adds an ObjectPool<T> and lets DI return scoped instances of `TService`.
AddProcessLogEnricher(IServiceCollection, Action<ProcessLogEnricherOptions>)	Adds an instance of the process enricher to the IServiceCollection.
AddProcessLogEnricher(IServiceCollection, IConfigurationSection)	Adds an instance of the host enricher to the IServiceCollection.
AddProcessLogEnricher(IServiceCollection)	Adds an instance of the process enricher to the IServiceCollection.
AddRedaction(IServiceCollection, Action<IRedactionBuilder>)	Registers an implementation of IRedactorProvider in the IServiceCollection and configures available redactors.
AddRedaction(IServiceCollection)	Registers an implementation of IRedactorProvider in the IServiceCollection.
AddResilienceEnricher(IServiceCollection)	Adds resilience enrichers.
AddResourceMonitoring(IServiceCollection, Action<IResourceMonitorBuilder>)	Obsolete. Configures and adds an IResourceMonitor implementation to a service collection.
AddResourceMonitoring(IServiceCollection)	Configures and adds an IResourceMonitor implementation to a service collection.
AddScoped(IServiceCollection, Type, Func<IServiceProvider,Object>)	Adds a scoped service of the type specified in `serviceType` with a factory specified in `implementationFactory` to the specified IServiceCollection.
AddScoped(IServiceCollection, Type, Type)	Adds a scoped service of the type specified in `serviceType` with an implementation of the type specified in `implementationType` to the specified IServiceCollection.
AddScoped(IServiceCollection, Type)	Adds a scoped service of the type specified in `serviceType` to the specified IServiceCollection.
AddScoped<TService,TImplementation>(IServiceCollection, Func<IServiceProvider,TImplementation>)	Adds a scoped service of the type specified in `TService` with an implementation type specified in `TImplementation` using the factory specified in `implementationFactory` to the specified IServiceCollection.
AddScoped<TService,TImplementation>(IServiceCollection)	Adds a scoped service of the type specified in `TService` with an implementation type specified in `TImplementation` to the specified IServiceCollection.
AddScoped<TService>(IServiceCollection, Func<IServiceProvider,TService>)	Adds a scoped service of the type specified in `TService` with a factory specified in `implementationFactory` to the specified IServiceCollection.
AddScoped<TService>(IServiceCollection)	Adds a scoped service of the type specified in `TService` to the specified IServiceCollection.
AddServiceLogEnricher(IServiceCollection, Action<ApplicationLogEnricherOptions>)	Obsolete. Adds an instance of the service enricher to the IServiceCollection.
AddServiceLogEnricher(IServiceCollection, IConfigurationSection)	Obsolete. Adds an instance of the service enricher to the IServiceCollection.
AddServiceLogEnricher(IServiceCollection)	Obsolete. Adds an instance of the service enricher to the IServiceCollection.
AddSingleton(IServiceCollection, Type, Func<IServiceProvider,Object>)	Adds a singleton service of the type specified in `serviceType` with a factory specified in `implementationFactory` to the specified IServiceCollection.
AddSingleton(IServiceCollection, Type, Object)	Adds a singleton service of the type specified in `serviceType` with an instance specified in `implementationInstance` to the specified IServiceCollection.
AddSingleton(IServiceCollection, Type, Type)	Adds a singleton service of the type specified in `serviceType` with an implementation of the type specified in `implementationType` to the specified IServiceCollection.
AddSingleton(IServiceCollection, Type)	Adds a singleton service of the type specified in `serviceType` to the specified IServiceCollection.
AddSingleton<TService,TImplementation>(IServiceCollection, Func<IServiceProvider,TImplementation>)	Adds a singleton service of the type specified in `TService` with an implementation type specified in `TImplementation` using the factory specified in `implementationFactory` to the specified IServiceCollection.
AddSingleton<TService,TImplementation>(IServiceCollection)	Adds a singleton service of the type specified in `TService` with an implementation type specified in `TImplementation` to the specified IServiceCollection.
AddSingleton<TService>(IServiceCollection, Func<IServiceProvider,TService>)	Adds a singleton service of the type specified in `TService` with a factory specified in `implementationFactory` to the specified IServiceCollection.
AddSingleton<TService>(IServiceCollection, TService)	Adds a singleton service of the type specified in `TService` with an instance specified in `implementationInstance` to the specified IServiceCollection.
AddSingleton<TService>(IServiceCollection)	Adds a singleton service of the type specified in `TService` to the specified IServiceCollection.
AddSpeechToTextClient(IServiceCollection, Func<IServiceProvider,ISpeechToTextClient>, ServiceLifetime)	Registers a singleton ISpeechToTextClient in the IServiceCollection.
AddSpeechToTextClient(IServiceCollection, ISpeechToTextClient, ServiceLifetime)	Registers a singleton ISpeechToTextClient in the IServiceCollection.
AddStackExchangeRedisCache(IServiceCollection, Action<RedisCacheOptions>)	Adds Redis distributed caching services to the specified IServiceCollection.
AddStaticLogEnricher(IServiceCollection, IStaticLogEnricher)	Registers a static log enricher instance.
AddStaticLogEnricher<T>(IServiceCollection)	Registers a static log enricher type.
AddSystemd(IServiceCollection)	Configures the lifetime of the IHost built from `services` to SystemdLifetime, provides notification messages for application started and stopping, and configures console logging to the systemd format.
AddTcpEndpointProbe(IServiceCollection, Action<TcpEndpointProbesOptions>)	Registers health status reporting using a TCP port if service is considered as healthy IHealthCheck.
AddTcpEndpointProbe(IServiceCollection, IConfigurationSection)	Registers health status reporting using a TCP port if service is considered as healthy IHealthCheck.
AddTcpEndpointProbe(IServiceCollection, String, Action<TcpEndpointProbesOptions>)	Registers health status reporting using a TCP port if service is considered as healthy IHealthCheck.
AddTcpEndpointProbe(IServiceCollection, String, IConfigurationSection)	Registers health status reporting using a TCP port if service is considered as healthy IHealthCheck.
AddTcpEndpointProbe(IServiceCollection, String)	Registers health status reporting using a TCP port if service is considered as healthy IHealthCheck.
AddTcpEndpointProbe(IServiceCollection)	Registers health status reporting using a TCP port if service is considered as healthy IHealthCheck.
AddTelemetryHealthCheckPublisher(IServiceCollection, Action<TelemetryHealthCheckPublisherOptions>)	Registers a health check publisher which emits telemetry representing the application's health.
AddTelemetryHealthCheckPublisher(IServiceCollection, IConfigurationSection)	Registers a health check publisher which emits telemetry representing the application's health.
AddTelemetryHealthCheckPublisher(IServiceCollection)	Registers a health check publisher which emits telemetry representing the application's health.
AddTextToSpeechClient(IServiceCollection, Func<IServiceProvider,ITextToSpeechClient>, ServiceLifetime)	Registers a singleton ITextToSpeechClient in the IServiceCollection.
AddTextToSpeechClient(IServiceCollection, ITextToSpeechClient, ServiceLifetime)	Registers a singleton ITextToSpeechClient in the IServiceCollection.
AddTransient(IServiceCollection, Type, Func<IServiceProvider,Object>)	Adds a transient service of the type specified in `serviceType` with a factory specified in `implementationFactory` to the specified IServiceCollection.
AddTransient(IServiceCollection, Type, Type)	Adds a transient service of the type specified in `serviceType` with an implementation of the type specified in `implementationType` to the specified IServiceCollection.
AddTransient(IServiceCollection, Type)	Adds a transient service of the type specified in `serviceType` to the specified IServiceCollection.
AddTransient<TService,TImplementation>(IServiceCollection, Func<IServiceProvider,TImplementation>)	Adds a transient service of the type specified in `TService` with an implementation type specified in `TImplementation` using the factory specified in `implementationFactory` to the specified IServiceCollection.
AddTransient<TService,TImplementation>(IServiceCollection)	Adds a transient service of the type specified in `TService` with an implementation type specified in `TImplementation` to the specified IServiceCollection.
AddTransient<TService>(IServiceCollection, Func<IServiceProvider,TService>)	Adds a transient service of the type specified in `TService` with a factory specified in `implementationFactory` to the specified IServiceCollection.
AddTransient<TService>(IServiceCollection)	Adds a transient service of the type specified in `TService` to the specified IServiceCollection.
AddValidation(IServiceCollection, Action<ValidationOptions>)	Adds the validation services to the specified IServiceCollection.
AddWebEncoders(IServiceCollection, Action<WebEncoderOptions>)	Adds HtmlEncoder, JavaScriptEncoder and UrlEncoder to the specified `services`.
AddWebEncoders(IServiceCollection)	Adds HtmlEncoder, JavaScriptEncoder and UrlEncoder to the specified `services`.
AddWindowsService(IServiceCollection, Action<WindowsServiceLifetimeOptions>)	Configures the lifetime of the IHost built from `services` to WindowsServiceLifetime and enables logging to the event log with the application name as the default source name.
AddWindowsService(IServiceCollection)	Configures the lifetime of the IHost built from `services` to WindowsServiceLifetime and enables logging to the event log with the application name as the default source name.
Aggregate<TSource,TAccumulate,TResult>(IEnumerable<TSource>, TAccumulate, Func<TAccumulate,TSource,TAccumulate>, Func<TAccumulate,TResult>)	Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value, and the specified function is used to select the result value.
Aggregate<TSource,TAccumulate>(IEnumerable<TSource>, TAccumulate, Func<TAccumulate,TSource,TAccumulate>)	Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value.
Aggregate<TSource>(IEnumerable<TSource>, Func<TSource,TSource,TSource>)	Applies an accumulator function over a sequence.
AggregateBy<TSource,TKey,TAccumulate>(IEnumerable<TSource>, Func<TSource, TKey>, Func<TKey,TAccumulate>, Func<TAccumulate,TSource,TAccumulate>, IEqualityComparer<TKey>)	Applies an accumulator function over a sequence, grouping results by key.
AggregateBy<TSource,TKey,TAccumulate>(IEnumerable<TSource>, Func<TSource, TKey>, TAccumulate, Func<TAccumulate,TSource,TAccumulate>, IEqualityComparer<TKey>)	Applies an accumulator function over a sequence, grouping results by key.
All<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Determines whether all elements of a sequence satisfy a condition.
Ancestors<T>(IEnumerable<T>, XName)	Returns a filtered collection of elements that contains the ancestors of every node in the source collection. Only elements that have a matching XName are included in the collection.
Ancestors<T>(IEnumerable<T>)	Returns a collection of elements that contains the ancestors of every node in the source collection.
Any<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Determines whether any element of a sequence satisfies a condition.
Any<TSource>(IEnumerable<TSource>)	Determines whether a sequence contains any elements.
Append<TSource>(IEnumerable<TSource>, TSource)	Appends a value to the end of the sequence.
AsEnumerable<TSource>(IEnumerable<TSource>)	Returns the input typed as IEnumerable<T>.
AsParallel(IEnumerable)	Enables parallelization of a query.
AsParallel<TSource>(IEnumerable<TSource>)	Enables parallelization of a query.
AsQueryable(IEnumerable)	Converts an IEnumerable to an IQueryable.
AsQueryable<TElement>(IEnumerable<TElement>)	Converts a generic IEnumerable<T> to a generic IQueryable<T>.
AsReadOnly<T>(IList<T>)	Returns a read-only ReadOnlyCollection<T> wrapper for the specified list.
Average<TSource>(IEnumerable<TSource>, Func<TSource,Decimal>)	Computes the average of a sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence.
Average<TSource>(IEnumerable<TSource>, Func<TSource,Double>)	Computes the average of a sequence of Double values that are obtained by invoking a transform function on each element of the input sequence.
Average<TSource>(IEnumerable<TSource>, Func<TSource,Int32>)	Computes the average of a sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence.
Average<TSource>(IEnumerable<TSource>, Func<TSource,Int64>)	Computes the average of a sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence.
Average<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Decimal>>)	Computes the average of a sequence of nullable Decimal values that are obtained by invoking a transform function on each element of the input sequence.
Average<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Double>>)	Computes the average of a sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence.
Average<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int32>>)	Computes the average of a sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence.
Average<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int64>>)	Computes the average of a sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence.
Average<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Single>>)	Computes the average of a sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence.
Average<TSource>(IEnumerable<TSource>, Func<TSource,Single>)	Computes the average of a sequence of Single values that are obtained by invoking a transform function on each element of the input sequence.
BuildServiceProvider(IServiceCollection, Boolean)	Creates a ServiceProvider containing services from the provided IServiceCollection optionally enabling scope validation.
BuildServiceProvider(IServiceCollection, ServiceProviderOptions)	Creates a ServiceProvider containing services from the provided IServiceCollection optionally enabling scope validation.
BuildServiceProvider(IServiceCollection)	Creates a ServiceProvider containing services from the provided IServiceCollection.
Cast<TResult>(IEnumerable)	Casts the elements of an IEnumerable to the specified type.
Chunk<TSource>(IEnumerable<TSource>, Int32)	Splits the elements of a sequence into chunks of size at most `size`.
Concat<TSource>(IEnumerable<TSource>, IEnumerable<TSource>)	Concatenates two sequences.
Configure<TOptions>(IServiceCollection, Action<IOptionsContext,TOptions>)	Registers an action used to configure a particular type of options.
Configure<TOptions>(IServiceCollection, Action<TOptions>)	Registers an action used to configure a particular type of options. Note: These are run before all PostConfigure<TOptions>(IServiceCollection, Action<TOptions>).
Configure<TOptions>(IServiceCollection, Func<IOptionsContext,CancellationToken,ValueTask<IConfigureContextualOptions<TOptions>>>)	Registers an action used to configure a particular type of options.
Configure<TOptions>(IServiceCollection, IConfiguration, Action<BinderOptions>)	Registers a configuration instance that `TOptions` will bind against.
Configure<TOptions>(IServiceCollection, IConfiguration)	Registers a configuration instance that `TOptions` will bind against.
Configure<TOptions>(IServiceCollection, String, Action<IOptionsContext,TOptions>)	Registers an action used to configure a particular type of options.
Configure<TOptions>(IServiceCollection, String, Action<TOptions>)	Registers an action used to configure a particular type of options. Note: These are run before all PostConfigure<TOptions>(IServiceCollection, Action<TOptions>).
Configure<TOptions>(IServiceCollection, String, Func<IOptionsContext,CancellationToken,ValueTask<IConfigureContextualOptions<TOptions>>>)	Registers an action used to configure a particular type of options.
Configure<TOptions>(IServiceCollection, String, IConfiguration, Action<BinderOptions>)	Registers a configuration instance that `TOptions` will bind against.
Configure<TOptions>(IServiceCollection, String, IConfiguration)	Registers a configuration instance that `TOptions` will bind against.
ConfigureAll<TOptions>(IServiceCollection, Action<IOptionsContext,TOptions>)	Registers an action used to configure all instances of a particular type of options.
ConfigureAll<TOptions>(IServiceCollection, Action<TOptions>)	Registers an action used to configure all instances of a particular type of options.
ConfigureAll<TOptions>(IServiceCollection, Func<IOptionsContext,CancellationToken,ValueTask<IConfigureContextualOptions<TOptions>>>)	Registers an action used to configure all instances of a particular type of options.
ConfigureHttpClientDefaults(IServiceCollection, Action<IHttpClientBuilder>)	Adds a delegate that will be used to configure all HttpClient instances.
ConfigureOptions(IServiceCollection, Object)	Registers an object that will have all of its IConfigureOptions<TOptions>, IPostConfigureOptions<TOptions>, and IValidateOptions<TOptions> registered.
ConfigureOptions(IServiceCollection, Type)	Registers a type that will have all of its IConfigureOptions<TOptions>, IPostConfigureOptions<TOptions>, and IValidateOptions<TOptions> registered.
ConfigureOptions<TConfigureOptions>(IServiceCollection)	Registers a type that will have all of its IConfigureOptions<TOptions>, IPostConfigureOptions<TOptions>, and IValidateOptions<TOptions> registered.
ConfigurePool<TService>(IServiceCollection, Action<DependencyInjectionPoolOptions>)	Registers an action used to configure the DependencyInjectionPoolOptions of a typed pool.
ConfigurePools(IServiceCollection, IConfigurationSection)	Configures DI pools.
Contains<TSource>(IEnumerable<TSource>, TSource, IEqualityComparer<TSource>)	Determines whether a sequence contains a specified element by using a specified IEqualityComparer<T>.
Contains<TSource>(IEnumerable<TSource>, TSource)	Determines whether a sequence contains a specified element by using the default equality comparer.
CopyToDataTable<T>(IEnumerable<T>, DataTable, LoadOption, FillErrorEventHandler)	Copies DataRow objects to the specified DataTable, given an input IEnumerable<T> object where the generic parameter `T` is DataRow.
CopyToDataTable<T>(IEnumerable<T>, DataTable, LoadOption)	Copies DataRow objects to the specified DataTable, given an input IEnumerable<T> object where the generic parameter `T` is DataRow.
CopyToDataTable<T>(IEnumerable<T>)	Returns a DataTable that contains copies of the DataRow objects, given an input IEnumerable<T> object where the generic parameter `T` is DataRow.
Count<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Returns a number that represents how many elements in the specified sequence satisfy a condition.
Count<TSource>(IEnumerable<TSource>)	Returns the number of elements in a sequence.
CountBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Returns the count of elements in the source sequence grouped by key.
DefaultIfEmpty<TSource>(IEnumerable<TSource>, TSource)	Returns the elements of the specified sequence or the specified value in a singleton collection if the sequence is empty.
DefaultIfEmpty<TSource>(IEnumerable<TSource>)	Returns the elements of the specified sequence or the type parameter's default value in a singleton collection if the sequence is empty.
DescendantNodes<T>(IEnumerable<T>)	Returns a collection of the descendant nodes of every document and element in the source collection.
Descendants<T>(IEnumerable<T>, XName)	Returns a filtered collection of elements that contains the descendant elements of every element and document in the source collection. Only elements that have a matching XName are included in the collection.
Descendants<T>(IEnumerable<T>)	Returns a collection of elements that contains the descendant elements of every element and document in the source collection.
Distinct<TSource>(IEnumerable<TSource>, IEqualityComparer<TSource>)	Returns distinct elements from a sequence by using a specified IEqualityComparer<T> to compare values.
Distinct<TSource>(IEnumerable<TSource>)	Returns distinct elements from a sequence by using the default equality comparer to compare values.
DistinctBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Returns distinct elements from a sequence according to a specified key selector function and using a specified comparer to compare keys.
DistinctBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)	Returns distinct elements from a sequence according to a specified key selector function.
ElementAt<TSource>(IEnumerable<TSource>, Index)	Returns the element at a specified index in a sequence.
ElementAt<TSource>(IEnumerable<TSource>, Int32)	Returns the element at a specified index in a sequence.
ElementAtOrDefault<TSource>(IEnumerable<TSource>, Index)	Returns the element at a specified index in a sequence or a default value if the index is out of range.
ElementAtOrDefault<TSource>(IEnumerable<TSource>, Int32)	Returns the element at a specified index in a sequence or a default value if the index is out of range.
Elements<T>(IEnumerable<T>, XName)	Returns a filtered collection of the child elements of every element and document in the source collection. Only elements that have a matching XName are included in the collection.
Elements<T>(IEnumerable<T>)	Returns a collection of the child elements of every element and document in the source collection.
Except<TSource>(IEnumerable<TSource>, IEnumerable<TSource>, IEqualityComparer<TSource>)	Produces the set difference of two sequences by using the specified IEqualityComparer<T> to compare values.
Except<TSource>(IEnumerable<TSource>, IEnumerable<TSource>)	Produces the set difference of two sequences by using the default equality comparer to compare values.
ExceptBy<TSource,TKey>(IEnumerable<TSource>, IEnumerable<TKey>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Produces the set difference of two sequences according to a specified key selector function.
ExceptBy<TSource,TKey>(IEnumerable<TSource>, IEnumerable<TKey>, Func<TSource,TKey>)	Produces the set difference of two sequences according to a specified key selector function.
First<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Returns the first element in a sequence that satisfies a specified condition.
First<TSource>(IEnumerable<TSource>)	Returns the first element of a sequence.
FirstOrDefault<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>, TSource)	Returns the first element of the sequence that satisfies a condition, or a specified default value if no such element is found.
FirstOrDefault<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Returns the first element of the sequence that satisfies a condition or a default value if no such element is found.
FirstOrDefault<TSource>(IEnumerable<TSource>, TSource)	Returns the first element of a sequence, or a specified default value if the sequence contains no elements.
FirstOrDefault<TSource>(IEnumerable<TSource>)	Returns the first element of a sequence, or a default value if the sequence contains no elements.
GroupBy<TSource,TKey,TElement,TResult>(IEnumerable<TSource>, Func<TSource, TKey>, Func<TSource,TElement>, Func<TKey,IEnumerable<TElement>, TResult>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. Key values are compared by using a specified comparer, and the elements of each group are projected by using a specified function.
GroupBy<TSource,TKey,TElement,TResult>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, Func<TKey,IEnumerable<TElement>,TResult>)	Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. The elements of each group are projected by using a specified function.
GroupBy<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a key selector function. The keys are compared by using a comparer and each group's elements are projected by using a specified function.
GroupBy<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>)	Groups the elements of a sequence according to a specified key selector function and projects the elements for each group by using a specified function.
GroupBy<TSource,TKey,TResult>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TKey,IEnumerable<TSource>,TResult>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. The keys are compared by using a specified comparer.
GroupBy<TSource,TKey,TResult>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TKey,IEnumerable<TSource>,TResult>)	Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key.
GroupBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a specified key selector function and compares the keys by using a specified comparer.
GroupBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)	Groups the elements of a sequence according to a specified key selector function.
GroupJoin<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,IEnumerable<TInner>, TResult>, IEqualityComparer<TKey>)	Correlates the elements of two sequences based on key equality and groups the results. A specified IEqualityComparer<T> is used to compare keys.
GroupJoin<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,IEnumerable<TInner>, TResult>)	Correlates the elements of two sequences based on equality of keys and groups the results. The default equality comparer is used to compare keys.
Index<TSource>(IEnumerable<TSource>)	Returns an enumerable that incorporates the element's index into a tuple.
InDocumentOrder<T>(IEnumerable<T>)	Returns a collection of nodes that contains all nodes in the source collection, sorted in document order.
Intersect<TSource>(IEnumerable<TSource>, IEnumerable<TSource>, IEqualityComparer<TSource>)	Produces the set intersection of two sequences by using the specified IEqualityComparer<T> to compare values.
Intersect<TSource>(IEnumerable<TSource>, IEnumerable<TSource>)	Produces the set intersection of two sequences by using the default equality comparer to compare values.
IntersectBy<TSource,TKey>(IEnumerable<TSource>, IEnumerable<TKey>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Produces the set intersection of two sequences according to a specified key selector function.
IntersectBy<TSource,TKey>(IEnumerable<TSource>, IEnumerable<TKey>, Func<TSource,TKey>)	Produces the set intersection of two sequences according to a specified key selector function.
Join<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)	Correlates the elements of two sequences based on matching keys. A specified IEqualityComparer<T> is used to compare keys.
Join<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>)	Correlates the elements of two sequences based on matching keys. The default equality comparer is used to compare keys.
Last<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Returns the last element of a sequence that satisfies a specified condition.
Last<TSource>(IEnumerable<TSource>)	Returns the last element of a sequence.
LastOrDefault<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>, TSource)	Returns the last element of a sequence that satisfies a condition, or a specified default value if no such element is found.
LastOrDefault<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Returns the last element of a sequence that satisfies a condition or a default value if no such element is found.
LastOrDefault<TSource>(IEnumerable<TSource>, TSource)	Returns the last element of a sequence, or a specified default value if the sequence contains no elements.
LastOrDefault<TSource>(IEnumerable<TSource>)	Returns the last element of a sequence, or a default value if the sequence contains no elements.
LeftJoin<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)	Correlates the elements of two sequences based on matching keys. A specified IEqualityComparer<T> is used to compare keys.
LeftJoin<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>)	Correlates the elements of two sequences based on matching keys. The default equality comparer is used to compare keys.
LongCount<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Returns an Int64 that represents how many elements in a sequence satisfy a condition.
LongCount<TSource>(IEnumerable<TSource>)	Returns an Int64 that represents the total number of elements in a sequence.
Max<TSource,TResult>(IEnumerable<TSource>, Func<TSource,TResult>)	Invokes a transform function on each element of a generic sequence and returns the maximum resulting value.
Max<TSource>(IEnumerable<TSource>, Func<TSource,Decimal>)	Invokes a transform function on each element of a sequence and returns the maximum Decimal value.
Max<TSource>(IEnumerable<TSource>, Func<TSource,Double>)	Invokes a transform function on each element of a sequence and returns the maximum Double value.
Max<TSource>(IEnumerable<TSource>, Func<TSource,Int32>)	Invokes a transform function on each element of a sequence and returns the maximum Int32 value.
Max<TSource>(IEnumerable<TSource>, Func<TSource,Int64>)	Invokes a transform function on each element of a sequence and returns the maximum Int64 value.
Max<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Decimal>>)	Invokes a transform function on each element of a sequence and returns the maximum nullable Decimal value.
Max<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Double>>)	Invokes a transform function on each element of a sequence and returns the maximum nullable Double value.
Max<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int32>>)	Invokes a transform function on each element of a sequence and returns the maximum nullable Int32 value.
Max<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int64>>)	Invokes a transform function on each element of a sequence and returns the maximum nullable Int64 value.
Max<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Single>>)	Invokes a transform function on each element of a sequence and returns the maximum nullable Single value.
Max<TSource>(IEnumerable<TSource>, Func<TSource,Single>)	Invokes a transform function on each element of a sequence and returns the maximum Single value.
Max<TSource>(IEnumerable<TSource>, IComparer<TSource>)	Returns the maximum value in a generic sequence.
Max<TSource>(IEnumerable<TSource>)	Returns the maximum value in a generic sequence.
MaxBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>)	Returns the maximum value in a generic sequence according to a specified key selector function and key comparer.
MaxBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)	Returns the maximum value in a generic sequence according to a specified key selector function.
Min<TSource,TResult>(IEnumerable<TSource>, Func<TSource,TResult>)	Invokes a transform function on each element of a generic sequence and returns the minimum resulting value.
Min<TSource>(IEnumerable<TSource>, Func<TSource,Decimal>)	Invokes a transform function on each element of a sequence and returns the minimum Decimal value.
Min<TSource>(IEnumerable<TSource>, Func<TSource,Double>)	Invokes a transform function on each element of a sequence and returns the minimum Double value.
Min<TSource>(IEnumerable<TSource>, Func<TSource,Int32>)	Invokes a transform function on each element of a sequence and returns the minimum Int32 value.
Min<TSource>(IEnumerable<TSource>, Func<TSource,Int64>)	Invokes a transform function on each element of a sequence and returns the minimum Int64 value.
Min<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Decimal>>)	Invokes a transform function on each element of a sequence and returns the minimum nullable Decimal value.
Min<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Double>>)	Invokes a transform function on each element of a sequence and returns the minimum nullable Double value.
Min<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int32>>)	Invokes a transform function on each element of a sequence and returns the minimum nullable Int32 value.
Min<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int64>>)	Invokes a transform function on each element of a sequence and returns the minimum nullable Int64 value.
Min<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Single>>)	Invokes a transform function on each element of a sequence and returns the minimum nullable Single value.
Min<TSource>(IEnumerable<TSource>, Func<TSource,Single>)	Invokes a transform function on each element of a sequence and returns the minimum Single value.
Min<TSource>(IEnumerable<TSource>, IComparer<TSource>)	Returns the minimum value in a generic sequence.
Min<TSource>(IEnumerable<TSource>)	Returns the minimum value in a generic sequence.
MinBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>)	Returns the minimum value in a generic sequence according to a specified key selector function and key comparer.
MinBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)	Returns the minimum value in a generic sequence according to a specified key selector function.
Nodes<T>(IEnumerable<T>)	Returns a collection of the child nodes of every document and element in the source collection.
OfType<TResult>(IEnumerable)	Filters the elements of an IEnumerable based on a specified type.
Order<T>(IEnumerable<T>, IComparer<T>)	Sorts the elements of a sequence in ascending order.
Order<T>(IEnumerable<T>)	Sorts the elements of a sequence in ascending order.
OrderBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>)	Sorts the elements of a sequence in ascending order by using a specified comparer.
OrderBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)	Sorts the elements of a sequence in ascending order according to a key.
OrderByDescending<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>)	Sorts the elements of a sequence in descending order by using a specified comparer.
OrderByDescending<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)	Sorts the elements of a sequence in descending order according to a key.
OrderDescending<T>(IEnumerable<T>, IComparer<T>)	Sorts the elements of a sequence in descending order.
OrderDescending<T>(IEnumerable<T>)	Sorts the elements of a sequence in descending order.
PostConfigure<TOptions>(IServiceCollection, Action<TOptions>)	Registers an action used to initialize a particular type of options. Note: These are run after all Configure<TOptions>(IServiceCollection, Action<TOptions>).
PostConfigure<TOptions>(IServiceCollection, String, Action<TOptions>)	Registers an action used to configure a particular type of options. Note: These are run after all Configure<TOptions>(IServiceCollection, Action<TOptions>).
PostConfigureAll<TOptions>(IServiceCollection, Action<TOptions>)	Registers an action used to post configure all instances of a particular type of options. Note: These are run after all Configure<TOptions>(IServiceCollection, Action<TOptions>).
Prepend<TSource>(IEnumerable<TSource>, TSource)	Adds a value to the beginning of the sequence.
RegisterCheckpointNames(IServiceCollection, String[])	Registers a set of checkpoint names for a latency context.
RegisterMeasureNames(IServiceCollection, String[])	Registers a set of measure names for a latency context.
RegisterTagNames(IServiceCollection, String[])	Registers a set of tag names for a latency context.
Remove<T>(IEnumerable<T>)	Removes every node in the source collection from its parent node.
RemoveAll(IServiceCollection, Type)	Removes all services of type `serviceType` in IServiceCollection.
RemoveAll<T>(IServiceCollection)	Removes all services of type `T` in IServiceCollection.
RemoveAllKeyed(IServiceCollection, Type, Object)	Removes all services of type `serviceType` in IServiceCollection.
RemoveAllKeyed<T>(IServiceCollection, Object)	Removes all services of type `T` in IServiceCollection.
Replace(IServiceCollection, ServiceDescriptor)	Removes the first service in IServiceCollection with the same service type as `descriptor` and adds `descriptor` to the collection.
Reverse<TSource>(IEnumerable<TSource>)	Inverts the order of the elements in a sequence.
RightJoin<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)	Correlates the elements of two sequences based on matching keys. A specified IEqualityComparer<T> is used to compare keys.
RightJoin<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>)	Correlates the elements of two sequences based on matching keys. The default equality comparer is used to compare keys.
Select<TSource,TResult>(IEnumerable<TSource>, Func<TSource,Int32,TResult>)	Projects each element of a sequence into a new form by incorporating the element's index.
Select<TSource,TResult>(IEnumerable<TSource>, Func<TSource,TResult>)	Projects each element of a sequence into a new form.
SelectMany<TSource,TCollection,TResult>(IEnumerable<TSource>, Func<TSource,IEnumerable<TCollection>>, Func<TSource,TCollection,TResult>)	Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one sequence, and invokes a result selector function on each element therein.
SelectMany<TSource,TCollection,TResult>(IEnumerable<TSource>, Func<TSource,Int32,IEnumerable<TCollection>>, Func<TSource,TCollection,TResult>)	Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one sequence, and invokes a result selector function on each element therein. The index of each source element is used in the intermediate projected form of that element.
SelectMany<TSource,TResult>(IEnumerable<TSource>, Func<TSource,IEnumerable<TResult>>)	Projects each element of a sequence to an IEnumerable<T> and flattens the resulting sequences into one sequence.
SelectMany<TSource,TResult>(IEnumerable<TSource>, Func<TSource,Int32,IEnumerable<TResult>>)	Projects each element of a sequence to an IEnumerable<T>, and flattens the resulting sequences into one sequence. The index of each source element is used in the projected form of that element.
SequenceEqual<TSource>(IEnumerable<TSource>, IEnumerable<TSource>, IEqualityComparer<TSource>)	Determines whether two sequences are equal by comparing their elements by using a specified IEqualityComparer<T>.
SequenceEqual<TSource>(IEnumerable<TSource>, IEnumerable<TSource>)	Determines whether two sequences are equal by comparing the elements by using the default equality comparer for their type.
Shuffle<TSource>(IEnumerable<TSource>)	Shuffles the order of the elements of a sequence.
Single<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists.
Single<TSource>(IEnumerable<TSource>)	Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence.
SingleOrDefault<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>, TSource)	Returns the only element of a sequence that satisfies a specified condition, or a specified default value if no such element exists; this method throws an exception if more than one element satisfies the condition.
SingleOrDefault<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.
SingleOrDefault<TSource>(IEnumerable<TSource>, TSource)	Returns the only element of a sequence, or a specified default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence.
SingleOrDefault<TSource>(IEnumerable<TSource>)	Returns the only element of a sequence, or a default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence.
Skip<TSource>(IEnumerable<TSource>, Int32)	Bypasses a specified number of elements in a sequence and then returns the remaining elements.
SkipLast<TSource>(IEnumerable<TSource>, Int32)	Returns a new enumerable collection that contains the elements from `source` with the last `count` elements of the source collection omitted.
SkipWhile<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements.
SkipWhile<TSource>(IEnumerable<TSource>, Func<TSource,Int32,Boolean>)	Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. The element's index is used in the logic of the predicate function.
Sum<TSource>(IEnumerable<TSource>, Func<TSource,Decimal>)	Computes the sum of the sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence.
Sum<TSource>(IEnumerable<TSource>, Func<TSource,Double>)	Computes the sum of the sequence of Double values that are obtained by invoking a transform function on each element of the input sequence.
Sum<TSource>(IEnumerable<TSource>, Func<TSource,Int32>)	Computes the sum of the sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence.
Sum<TSource>(IEnumerable<TSource>, Func<TSource,Int64>)	Computes the sum of the sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence.
Sum<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Decimal>>)	Computes the sum of the sequence of nullable Decimal values that are obtained by invoking a transform function on each element of the input sequence.
Sum<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Double>>)	Computes the sum of the sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence.
Sum<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int32>>)	Computes the sum of the sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence.
Sum<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int64>>)	Computes the sum of the sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence.
Sum<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Single>>)	Computes the sum of the sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence.
Sum<TSource>(IEnumerable<TSource>, Func<TSource,Single>)	Computes the sum of the sequence of Single values that are obtained by invoking a transform function on each element of the input sequence.
Take<TSource>(IEnumerable<TSource>, Int32)	Returns a specified number of contiguous elements from the start of a sequence.
Take<TSource>(IEnumerable<TSource>, Range)	Returns a specified range of contiguous elements from a sequence.
TakeLast<TSource>(IEnumerable<TSource>, Int32)	Returns a new enumerable collection that contains the last `count` elements from `source`.
TakeWhile<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Returns elements from a sequence as long as a specified condition is true.
TakeWhile<TSource>(IEnumerable<TSource>, Func<TSource,Int32,Boolean>)	Returns elements from a sequence as long as a specified condition is true. The element's index is used in the logic of the predicate function.
ToArray<TSource>(IEnumerable<TSource>)	Creates an array from a IEnumerable<T>.
ToAsyncEnumerable<TSource>(IEnumerable<TSource>)	Converts an IEnumerable<T> to an IAsyncEnumerable<T>.
ToDictionary<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, IEqualityComparer<TKey>)	Creates a Dictionary<TKey,TValue> from an IEnumerable<T> according to a specified key selector function, a comparer, and an element selector function.
ToDictionary<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>)	Creates a Dictionary<TKey,TValue> from an IEnumerable<T> according to specified key selector and element selector functions.
ToDictionary<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Creates a Dictionary<TKey,TValue> from an IEnumerable<T> according to a specified key selector function and key comparer.
ToDictionary<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)	Creates a Dictionary<TKey,TValue> from an IEnumerable<T> according to a specified key selector function.
ToFrozenDictionary<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, IEqualityComparer<TKey>)	Creates a FrozenDictionary<TKey,TValue> from an IEnumerable<T> according to specified key selector and element selector functions.
ToFrozenDictionary<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Creates a FrozenDictionary<TKey,TValue> from an IEnumerable<T> according to specified key selector function.
ToFrozenSet<T>(IEnumerable<T>, IEqualityComparer<T>)	Creates a FrozenSet<T> with the specified values.
ToHashSet<TSource>(IEnumerable<TSource>, IEqualityComparer<TSource>)	Creates a HashSet<T> from an IEnumerable<T> using the `comparer` to compare keys.
ToHashSet<TSource>(IEnumerable<TSource>)	Creates a HashSet<T> from an IEnumerable<T>.
ToImmutableArray<TSource>(IEnumerable<TSource>)	Creates an immutable array from the specified collection.
ToImmutableDictionary<TSource,TKey,TValue>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TValue>, IEqualityComparer<TKey>, IEqualityComparer<TValue>)	Enumerates and transforms a sequence, and produces an immutable dictionary of its contents by using the specified key and value comparers.
ToImmutableDictionary<TSource,TKey,TValue>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TValue>, IEqualityComparer<TKey>)	Enumerates and transforms a sequence, and produces an immutable dictionary of its contents by using the specified key comparer.
ToImmutableDictionary<TSource,TKey,TValue>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TValue>)	Enumerates and transforms a sequence, and produces an immutable dictionary of its contents.
ToImmutableDictionary<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Constructs an immutable dictionary based on some transformation of a sequence.
ToImmutableDictionary<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)	Constructs an immutable dictionary from an existing collection of elements, applying a transformation function to the source keys.
ToImmutableHashSet<TSource>(IEnumerable<TSource>, IEqualityComparer<TSource>)	Enumerates a sequence, produces an immutable hash set of its contents, and uses the specified equality comparer for the set type.
ToImmutableHashSet<TSource>(IEnumerable<TSource>)	Enumerates a sequence and produces an immutable hash set of its contents.
ToImmutableList<TSource>(IEnumerable<TSource>)	Enumerates a sequence and produces an immutable list of its contents.
ToImmutableSortedDictionary<TSource,TKey,TValue>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TValue>, IComparer<TKey>, IEqualityComparer<TValue>)	Enumerates and transforms a sequence, and produces an immutable sorted dictionary of its contents by using the specified key and value comparers.
ToImmutableSortedDictionary<TSource,TKey,TValue>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TValue>, IComparer<TKey>)	Enumerates and transforms a sequence, and produces an immutable sorted dictionary of its contents by using the specified key comparer.
ToImmutableSortedDictionary<TSource,TKey,TValue>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TValue>)	Enumerates and transforms a sequence, and produces an immutable sorted dictionary of its contents.
ToImmutableSortedSet<TSource>(IEnumerable<TSource>, IComparer<TSource>)	Enumerates a sequence, produces an immutable sorted set of its contents, and uses the specified comparer.
ToImmutableSortedSet<TSource>(IEnumerable<TSource>)	Enumerates a sequence and produces an immutable sorted set of its contents.
ToList<TSource>(IEnumerable<TSource>)	Creates a List<T> from an IEnumerable<T>.
ToLookup<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, IEqualityComparer<TKey>)	Creates a Lookup<TKey,TElement> from an IEnumerable<T> according to a specified key selector function, a comparer and an element selector function.
ToLookup<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>)	Creates a Lookup<TKey,TElement> from an IEnumerable<T> according to specified key selector and element selector functions.
ToLookup<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Creates a Lookup<TKey,TElement> from an IEnumerable<T> according to a specified key selector function and key comparer.
ToLookup<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)	Creates a Lookup<TKey,TElement> from an IEnumerable<T> according to a specified key selector function.
TryAdd(IServiceCollection, IEnumerable<ServiceDescriptor>)	Adds the specified `descriptors` to the `collection` if the service type hasn't already been registered.
TryAdd(IServiceCollection, ServiceDescriptor)	Adds the specified `descriptor` to the `collection` if the service type hasn't already been registered.
TryAddActivatedKeyedSingleton(IServiceCollection, Type, Object, Func<IServiceProvider,Object,Object>)	Tries to add an auto-activated keyed singleton service.
TryAddActivatedKeyedSingleton(IServiceCollection, Type, Object, Type)	Tries to add an auto-activated keyed singleton service.
TryAddActivatedKeyedSingleton(IServiceCollection, Type, Object)	Tries to add an auto-activated keyed singleton service.
TryAddActivatedKeyedSingleton<TService,TImplementation>(IServiceCollection, Object)	Tries to add an auto-activated keyed singleton service.
TryAddActivatedKeyedSingleton<TService>(IServiceCollection, Object, Func<IServiceProvider,Object,TService>)	Tries to add an auto-activated keyed singleton service.
TryAddActivatedKeyedSingleton<TService>(IServiceCollection, Object)	Tries to add an auto-activated keyed singleton service.
TryAddActivatedSingleton(IServiceCollection, Type, Func<IServiceProvider,Object>)	Tries to add an auto-activated singleton service.
TryAddActivatedSingleton(IServiceCollection, Type, Type)	Tries to add an auto-activated singleton service.
TryAddActivatedSingleton(IServiceCollection, Type)	Tries to add an auto-activated singleton service.
TryAddActivatedSingleton<TService,TImplementation>(IServiceCollection)	Tries to add an auto-activated singleton service.
TryAddActivatedSingleton<TService>(IServiceCollection, Func<IServiceProvider,TService>)	Tries to add an auto-activated singleton service.
TryAddActivatedSingleton<TService>(IServiceCollection)	Tries to add an auto-activated singleton service.
TryAddEnumerable(IServiceCollection, IEnumerable<ServiceDescriptor>)	Adds the specified ServiceDescriptors if an existing descriptor with the same ServiceType and an implementation that does not already exist in `services`.
TryAddEnumerable(IServiceCollection, ServiceDescriptor)	Adds a ServiceDescriptor if an existing descriptor with the same ServiceType and an implementation that does not already exist in `services`.
TryAddKeyedScoped(IServiceCollection, Type, Object, Func<IServiceProvider,Object,Object>)	Adds the specified `service` as a Scoped service using the factory specified in `implementationFactory` to the `collection` if the service type hasn't already been registered.
TryAddKeyedScoped(IServiceCollection, Type, Object, Type)	Adds the specified `service` as a Scoped service with the `implementationType` implementation to the `collection` if the service type hasn't already been registered.
TryAddKeyedScoped(IServiceCollection, Type, Object)	Adds the specified `service` as a Scoped service to the `collection` if the service type hasn't already been registered.
TryAddKeyedScoped<TService,TImplementation>(IServiceCollection, Object)	Adds the specified `TService` as a Scoped service implementation type specified in `TImplementation` to the `collection` if the service type hasn't already been registered.
TryAddKeyedScoped<TService>(IServiceCollection, Object, Func<IServiceProvider,Object,TService>)	Adds the specified `TService` as a Scoped service using the factory specified in `implementationFactory` to the `services` if the service type hasn't already been registered.
TryAddKeyedScoped<TService>(IServiceCollection, Object)	Adds the specified `TService` as a Scoped service to the `collection` if the service type hasn't already been registered.
TryAddKeyedSingleton(IServiceCollection, Type, Object, Func<IServiceProvider,Object,Object>)	Adds the specified `service` as a Singleton service using the factory specified in `implementationFactory` to the `collection` if the service type hasn't already been registered.
TryAddKeyedSingleton(IServiceCollection, Type, Object, Type)	Adds the specified `service` as a Singleton service with the `implementationType` implementation to the `collection` if the service type hasn't already been registered.
TryAddKeyedSingleton(IServiceCollection, Type, Object)	Adds the specified `service` as a Singleton service to the `collection` if the service type hasn't already been registered.
TryAddKeyedSingleton<TService,TImplementation>(IServiceCollection, Object)	Adds the specified `TService` as a Singleton service implementation type specified in `TImplementation` to the `collection` if the service type hasn't already been registered.
TryAddKeyedSingleton<TService>(IServiceCollection, Object, Func<IServiceProvider,Object,TService>)	Adds the specified `TService` as a Singleton service using the factory specified in `implementationFactory` to the `services` if the service type hasn't already been registered.
TryAddKeyedSingleton<TService>(IServiceCollection, Object, TService)	Adds the specified `TService` as a Singleton service with an instance specified in `instance` to the `collection` if the service type hasn't already been registered.
TryAddKeyedSingleton<TService>(IServiceCollection, Object)	Adds the specified `TService` as a Singleton service to the `collection` if the service type hasn't already been registered.
TryAddKeyedTransient(IServiceCollection, Type, Object, Func<IServiceProvider,Object,Object>)	Adds the specified `service` as a Transient service using the factory specified in `implementationFactory` to the `collection` if the service type hasn't already been registered.
TryAddKeyedTransient(IServiceCollection, Type, Object, Type)	Adds the specified `service` as a Transient service with the `implementationType` implementation to the `collection` if the service type hasn't already been registered.
TryAddKeyedTransient(IServiceCollection, Type, Object)	Adds the specified `service` as a Transient service to the `collection` if the service type hasn't already been registered.
TryAddKeyedTransient<TService,TImplementation>(IServiceCollection, Object)	Adds the specified `TService` as a Transient service implementation type specified in `TImplementation` to the `collection` if the service type hasn't already been registered.
TryAddKeyedTransient<TService>(IServiceCollection, Object, Func<IServiceProvider,Object,TService>)	Adds the specified `TService` as a Transient service using the factory specified in `implementationFactory` to the `services` if the service type hasn't already been registered.
TryAddKeyedTransient<TService>(IServiceCollection, Object)	Adds the specified `TService` as a Transient service to the `collection` if the service type hasn't already been registered.
TryAddScoped(IServiceCollection, Type, Func<IServiceProvider,Object>)	Adds the specified `service` as a Scoped service using the factory specified in `implementationFactory` to the `collection` if the service type hasn't already been registered.
TryAddScoped(IServiceCollection, Type, Type)	Adds the specified `service` as a Scoped service with the `implementationType` implementation to the `collection` if the service type hasn't already been registered.
TryAddScoped(IServiceCollection, Type)	Adds the specified `service` as a Scoped service to the `collection` if the service type hasn't already been registered.
TryAddScoped<TService,TImplementation>(IServiceCollection)	Adds the specified `TService` as a Scoped service implementation type specified in `TImplementation` to the `collection` if the service type hasn't already been registered.
TryAddScoped<TService>(IServiceCollection, Func<IServiceProvider,TService>)	Adds the specified `TService` as a Scoped service using the factory specified in `implementationFactory` to the `services` if the service type hasn't already been registered.
TryAddScoped<TService>(IServiceCollection)	Adds the specified `TService` as a Scoped service to the `collection` if the service type hasn't already been registered.
TryAddSingleton(IServiceCollection, Type, Func<IServiceProvider,Object>)	Adds the specified `service` as a Singleton service using the factory specified in `implementationFactory` to the `collection` if the service type hasn't already been registered.
TryAddSingleton(IServiceCollection, Type, Type)	Adds the specified `service` as a Singleton service with the `implementationType` implementation to the `collection` if the service type hasn't already been registered.
TryAddSingleton(IServiceCollection, Type)	Adds the specified `service` as a Singleton service to the `collection` if the service type hasn't already been registered.
TryAddSingleton<TService,TImplementation>(IServiceCollection)	Adds the specified `TService` as a Singleton service implementation type specified in `TImplementation` to the `collection` if the service type hasn't already been registered.
TryAddSingleton<TService>(IServiceCollection, Func<IServiceProvider,TService>)	Adds the specified `TService` as a Singleton service using the factory specified in `implementationFactory` to the `services` if the service type hasn't already been registered.
TryAddSingleton<TService>(IServiceCollection, TService)	Adds the specified `TService` as a Singleton service with an instance specified in `instance` to the `collection` if the service type hasn't already been registered.
TryAddSingleton<TService>(IServiceCollection)	Adds the specified `TService` as a Singleton service to the `collection` if the service type hasn't already been registered.
TryAddTransient(IServiceCollection, Type, Func<IServiceProvider,Object>)	Adds the specified `service` as a Transient service using the factory specified in `implementationFactory` to the `collection` if the service type hasn't already been registered.
TryAddTransient(IServiceCollection, Type, Type)	Adds the specified `service` as a Transient service with the `implementationType` implementation to the `collection` if the service type hasn't already been registered.
TryAddTransient(IServiceCollection, Type)	Adds the specified `service` as a Transient service to the `collection` if the service type hasn't already been registered.
TryAddTransient<TService,TImplementation>(IServiceCollection)	Adds the specified `TService` as a Transient service implementation type specified in `TImplementation` to the `collection` if the service type hasn't already been registered.
TryAddTransient<TService>(IServiceCollection, Func<IServiceProvider,TService>)	Adds the specified `TService` as a Transient service using the factory specified in `implementationFactory` to the `services` if the service type hasn't already been registered.
TryAddTransient<TService>(IServiceCollection)	Adds the specified `TService` as a Transient service to the `collection` if the service type hasn't already been registered.
TryGetNonEnumeratedCount<TSource>(IEnumerable<TSource>, Int32)	Attempts to determine the number of elements in a sequence without forcing an enumeration.
Union<TSource>(IEnumerable<TSource>, IEnumerable<TSource>, IEqualityComparer<TSource>)	Produces the set union of two sequences by using a specified IEqualityComparer<T>.
Union<TSource>(IEnumerable<TSource>, IEnumerable<TSource>)	Produces the set union of two sequences by using the default equality comparer.
UnionBy<TSource,TKey>(IEnumerable<TSource>, IEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Produces the set union of two sequences according to a specified key selector function.
UnionBy<TSource,TKey>(IEnumerable<TSource>, IEnumerable<TSource>, Func<TSource,TKey>)	Produces the set union of two sequences according to a specified key selector function.
Where<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)	Filters a sequence of values based on a predicate.
Where<TSource>(IEnumerable<TSource>, Func<TSource,Int32,Boolean>)	Filters a sequence of values based on a predicate. Each element's index is used in the logic of the predicate function.
Zip<TFirst,TSecond,TResult>(IEnumerable<TFirst>, IEnumerable<TSecond>, Func<TFirst,TSecond,TResult>)	Applies a specified function to the corresponding elements of two sequences, producing a sequence of the results.
Zip<TFirst,TSecond,TThird>(IEnumerable<TFirst>, IEnumerable<TSecond>, IEnumerable<TThird>)	Produces a sequence of tuples with elements from the three specified sequences.
Zip<TFirst,TSecond>(IEnumerable<TFirst>, IEnumerable<TSecond>)	Produces a sequence of tuples with elements from the two specified sequences.

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