MultipartContent.xml

<Type Name="MultipartContent" FullName="System.Net.Http.MultipartContent">
  <TypeSignature Language="C#" Value="public class MultipartContent : System.Net.Http.HttpContent, System.Collections.Generic.IEnumerable&lt;System.Net.Http.HttpContent&gt;" />
  <TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit MultipartContent extends System.Net.Http.HttpContent implements class System.Collections.Generic.IEnumerable`1&lt;class System.Net.Http.HttpContent&gt;, class System.Collections.IEnumerable" />
  <TypeSignature Language="DocId" Value="T:System.Net.Http.MultipartContent" />
  <TypeSignature Language="VB.NET" Value="Public Class MultipartContent&#xA;Inherits HttpContent&#xA;Implements IEnumerable(Of HttpContent)" />
  <TypeSignature Language="F#" Value="type MultipartContent = class&#xA;    inherit HttpContent&#xA;    interface seq&lt;HttpContent&gt;&#xA;    interface IEnumerable" />
  <TypeSignature Language="C++ CLI" Value="public ref class MultipartContent : System::Net::Http::HttpContent, System::Collections::Generic::IEnumerable&lt;System::Net::Http::HttpContent ^&gt;" />
  <AssemblyInfo>
    <AssemblyName>System.Net.Http</AssemblyName>
    <AssemblyVersion>4.0.0.0</AssemblyVersion>
    <AssemblyVersion>4.1.0.0</AssemblyVersion>
    <AssemblyVersion>4.1.1.0</AssemblyVersion>
    <AssemblyVersion>4.2.0.0</AssemblyVersion>
    <AssemblyVersion>4.2.1.0</AssemblyVersion>
    <AssemblyVersion>4.2.2.0</AssemblyVersion>
    <AssemblyVersion>5.0.0.0</AssemblyVersion>
    <AssemblyVersion>6.0.0.0</AssemblyVersion>
    <AssemblyVersion>7.0.0.0</AssemblyVersion>
    <AssemblyVersion>8.0.0.0</AssemblyVersion>
    <AssemblyVersion>9.0.0.0</AssemblyVersion>
    <AssemblyVersion>10.0.0.0</AssemblyVersion>
  </AssemblyInfo>
  <AssemblyInfo>
    <AssemblyName>netstandard</AssemblyName>
    <AssemblyVersion>2.0.0.0</AssemblyVersion>
    <AssemblyVersion>2.1.0.0</AssemblyVersion>
  </AssemblyInfo>
  <TypeForwardingChain>
    <TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Net.Http" ToVersion="10.0.0.0" FrameworkAlternate="net-10.0" />
    <TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Net.Http" ToVersion="5.0.0.0" FrameworkAlternate="net-5.0" />
    <TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Net.Http" ToVersion="6.0.0.0" FrameworkAlternate="net-6.0" />
    <TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Net.Http" ToVersion="7.0.0.0" FrameworkAlternate="net-7.0" />
    <TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Net.Http" ToVersion="8.0.0.0" FrameworkAlternate="net-8.0" />
    <TypeForwarding From="netstandard" FromVersion="2.1.0.0" To="System.Net.Http" ToVersion="9.0.0.0" FrameworkAlternate="net-9.0" />
  </TypeForwardingChain>
  <Base>
    <BaseTypeName>System.Net.Http.HttpContent</BaseTypeName>
  </Base>
  <Interfaces>
    <Interface>
      <InterfaceName>System.Collections.Generic.IEnumerable&lt;System.Net.Http.HttpContent&gt;</InterfaceName>
    </Interface>
    <Interface>
      <InterfaceName>System.Collections.IEnumerable</InterfaceName>
    </Interface>
  </Interfaces>
  <Attributes>
    <Attribute FrameworkAlternate="net-10.0;net-8.0;net-9.0">
      <AttributeName Language="C#">[System.Runtime.CompilerServices.Nullable(0)]</AttributeName>
      <AttributeName Language="F#">[&lt;System.Runtime.CompilerServices.Nullable(0)&gt;]</AttributeName>
    </Attribute>
  </Attributes>
  <Docs>
    <summary>Provides a collection of <see cref="T:System.Net.Http.HttpContent" /> objects that get serialized using the multipart/* content type specification.</summary>
    <remarks>
Multipart messages must contain one or more body parts. When a <see cref="T:System.Net.Http.MultipartContent" /> instance with zero parts is serialized, it's written as a single empty part with no content headers or message body.
If your server doesn't support such contents with zero parts, consider conditionally using a different <see cref="T:System.Net.Http.HttpContent" /> type or no <see cref="T:System.Net.Http.HttpContent" />.
    </remarks>
  </Docs>
  <Members>
    <MemberGroup MemberName=".ctor">
      <AssemblyInfo>
        <AssemblyName>System.Net.Http</AssemblyName>
        <AssemblyVersion>4.0.0.0</AssemblyVersion>
        <AssemblyVersion>4.1.0.0</AssemblyVersion>
        <AssemblyVersion>4.1.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.0.0</AssemblyVersion>
      </AssemblyInfo>
      <Docs>
        <summary>Creates a new instance of the <see cref="T:System.Net.Http.MultipartContent" /> class.</summary>
      </Docs>
    </MemberGroup>
    <Member MemberName=".ctor">
      <MemberSignature Language="C#" Value="public MultipartContent ();" />
      <MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor() cil managed" />
      <MemberSignature Language="DocId" Value="M:System.Net.Http.MultipartContent.#ctor" />
      <MemberSignature Language="VB.NET" Value="Public Sub New ()" />
      <MemberSignature Language="C++ CLI" Value="public:&#xA; MultipartContent();" />
      <MemberType>Constructor</MemberType>
      <AssemblyInfo>
        <AssemblyName>System.Net.Http</AssemblyName>
        <AssemblyVersion>4.0.0.0</AssemblyVersion>
        <AssemblyVersion>4.1.0.0</AssemblyVersion>
        <AssemblyVersion>4.1.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.0.0</AssemblyVersion>
        <AssemblyVersion>4.2.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.2.0</AssemblyVersion>
        <AssemblyVersion>5.0.0.0</AssemblyVersion>
        <AssemblyVersion>6.0.0.0</AssemblyVersion>
        <AssemblyVersion>7.0.0.0</AssemblyVersion>
        <AssemblyVersion>8.0.0.0</AssemblyVersion>
        <AssemblyVersion>9.0.0.0</AssemblyVersion>
        <AssemblyVersion>10.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <AssemblyInfo>
        <AssemblyName>netstandard</AssemblyName>
        <AssemblyVersion>2.0.0.0</AssemblyVersion>
        <AssemblyVersion>2.1.0.0</AssemblyVersion>
      </AssemblyInfo>
      <Parameters />
      <Docs>
        <summary>Creates a new instance of the <see cref="T:System.Net.Http.MultipartContent" /> class.</summary>
        <remarks>To be added.</remarks>
      </Docs>
    </Member>
    <Member MemberName=".ctor">
      <MemberSignature Language="C#" Value="public MultipartContent (string subtype);" />
      <MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(string subtype) cil managed" />
      <MemberSignature Language="DocId" Value="M:System.Net.Http.MultipartContent.#ctor(System.String)" />
      <MemberSignature Language="VB.NET" Value="Public Sub New (subtype As String)" />
      <MemberSignature Language="F#" Value="new System.Net.Http.MultipartContent : string -&gt; System.Net.Http.MultipartContent" Usage="new System.Net.Http.MultipartContent subtype" />
      <MemberSignature Language="C++ CLI" Value="public:&#xA; MultipartContent(System::String ^ subtype);" />
      <MemberType>Constructor</MemberType>
      <AssemblyInfo>
        <AssemblyName>System.Net.Http</AssemblyName>
        <AssemblyVersion>4.0.0.0</AssemblyVersion>
        <AssemblyVersion>4.1.0.0</AssemblyVersion>
        <AssemblyVersion>4.1.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.0.0</AssemblyVersion>
        <AssemblyVersion>4.2.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.2.0</AssemblyVersion>
        <AssemblyVersion>5.0.0.0</AssemblyVersion>
        <AssemblyVersion>6.0.0.0</AssemblyVersion>
        <AssemblyVersion>7.0.0.0</AssemblyVersion>
        <AssemblyVersion>8.0.0.0</AssemblyVersion>
        <AssemblyVersion>9.0.0.0</AssemblyVersion>
        <AssemblyVersion>10.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <AssemblyInfo>
        <AssemblyName>netstandard</AssemblyName>
        <AssemblyVersion>2.0.0.0</AssemblyVersion>
        <AssemblyVersion>2.1.0.0</AssemblyVersion>
      </AssemblyInfo>
      <Parameters>
        <Parameter Name="subtype" Type="System.String" />
      </Parameters>
      <Docs>
        <param name="subtype">The subtype of the multipart content.</param>
        <summary>Creates a new instance of the <see cref="T:System.Net.Http.MultipartContent" /> class.</summary>
        <remarks>To be added.</remarks>
        <exception cref="T:System.ArgumentException">The <paramref name="subtype" /> was <see langword="null" /> or contains only white space characters.</exception>
      </Docs>
    </Member>
    <Member MemberName=".ctor">
      <MemberSignature Language="C#" Value="public MultipartContent (string subtype, string boundary);" />
      <MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(string subtype, string boundary) cil managed" />
      <MemberSignature Language="DocId" Value="M:System.Net.Http.MultipartContent.#ctor(System.String,System.String)" />
      <MemberSignature Language="VB.NET" Value="Public Sub New (subtype As String, boundary As String)" />
      <MemberSignature Language="F#" Value="new System.Net.Http.MultipartContent : string * string -&gt; System.Net.Http.MultipartContent" Usage="new System.Net.Http.MultipartContent (subtype, boundary)" />
      <MemberSignature Language="C++ CLI" Value="public:&#xA; MultipartContent(System::String ^ subtype, System::String ^ boundary);" />
      <MemberType>Constructor</MemberType>
      <AssemblyInfo>
        <AssemblyName>System.Net.Http</AssemblyName>
        <AssemblyVersion>4.0.0.0</AssemblyVersion>
        <AssemblyVersion>4.1.0.0</AssemblyVersion>
        <AssemblyVersion>4.1.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.0.0</AssemblyVersion>
        <AssemblyVersion>4.2.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.2.0</AssemblyVersion>
        <AssemblyVersion>5.0.0.0</AssemblyVersion>
        <AssemblyVersion>6.0.0.0</AssemblyVersion>
        <AssemblyVersion>7.0.0.0</AssemblyVersion>
        <AssemblyVersion>8.0.0.0</AssemblyVersion>
        <AssemblyVersion>9.0.0.0</AssemblyVersion>
        <AssemblyVersion>10.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <AssemblyInfo>
        <AssemblyName>netstandard</AssemblyName>
        <AssemblyVersion>2.0.0.0</AssemblyVersion>
        <AssemblyVersion>2.1.0.0</AssemblyVersion>
      </AssemblyInfo>
      <Parameters>
        <Parameter Name="subtype" Type="System.String" />
        <Parameter Name="boundary" Type="System.String" />
      </Parameters>
      <Docs>
        <param name="subtype">The subtype of the multipart content.</param>
        <param name="boundary">The boundary string for the multipart content.</param>
        <summary>Creates a new instance of the <see cref="T:System.Net.Http.MultipartContent" /> class.</summary>
        <remarks>To be added.</remarks>
        <exception cref="T:System.ArgumentException">The <paramref name="subtype" /> was <see langword="null" /> or an empty string.  
  
 The <paramref name="boundary" /> was <see langword="null" /> or contains only white space characters.  
  
 -or-  
  
 The <paramref name="boundary" /> ends with a space character.</exception>
        <exception cref="T:System.ArgumentOutOfRangeException">The length of the <paramref name="boundary" /> was greater than 70.</exception>
      </Docs>
    </Member>
    <Member MemberName="Add">
      <MemberSignature Language="C#" Value="public virtual void Add (System.Net.Http.HttpContent content);" />
      <MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance void Add(class System.Net.Http.HttpContent content) cil managed" />
      <MemberSignature Language="DocId" Value="M:System.Net.Http.MultipartContent.Add(System.Net.Http.HttpContent)" />
      <MemberSignature Language="VB.NET" Value="Public Overridable Sub Add (content As HttpContent)" />
      <MemberSignature Language="F#" Value="abstract member Add : System.Net.Http.HttpContent -&gt; unit&#xA;override this.Add : System.Net.Http.HttpContent -&gt; unit" Usage="multipartContent.Add content" />
      <MemberSignature Language="C++ CLI" Value="public:&#xA; virtual void Add(System::Net::Http::HttpContent ^ content);" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>System.Net.Http</AssemblyName>
        <AssemblyVersion>4.0.0.0</AssemblyVersion>
        <AssemblyVersion>4.1.0.0</AssemblyVersion>
        <AssemblyVersion>4.1.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.0.0</AssemblyVersion>
        <AssemblyVersion>4.2.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.2.0</AssemblyVersion>
        <AssemblyVersion>5.0.0.0</AssemblyVersion>
        <AssemblyVersion>6.0.0.0</AssemblyVersion>
        <AssemblyVersion>7.0.0.0</AssemblyVersion>
        <AssemblyVersion>8.0.0.0</AssemblyVersion>
        <AssemblyVersion>9.0.0.0</AssemblyVersion>
        <AssemblyVersion>10.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <AssemblyInfo>
        <AssemblyName>netstandard</AssemblyName>
        <AssemblyVersion>2.0.0.0</AssemblyVersion>
        <AssemblyVersion>2.1.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>System.Void</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="content" Type="System.Net.Http.HttpContent" />
      </Parameters>
      <Docs>
        <param name="content">The HTTP content to add to the collection.</param>
        <summary>Add multipart HTTP content to a collection of <see cref="T:System.Net.Http.HttpContent" /> objects that get serialized using the multipart/* content type specification.</summary>
        <remarks>To be added.</remarks>
        <exception cref="T:System.ArgumentNullException">The <paramref name="content" /> was <see langword="null" />.</exception>
      </Docs>
    </Member>
    <Member MemberName="CreateContentReadStream">
      <MemberSignature Language="C#" Value="protected override System.IO.Stream CreateContentReadStream (System.Threading.CancellationToken cancellationToken);" />
      <MemberSignature Language="ILAsm" Value=".method familyhidebysig virtual instance class System.IO.Stream CreateContentReadStream(valuetype System.Threading.CancellationToken cancellationToken) cil managed" />
      <MemberSignature Language="DocId" Value="M:System.Net.Http.MultipartContent.CreateContentReadStream(System.Threading.CancellationToken)" />
      <MemberSignature Language="VB.NET" Value="Protected Overrides Function CreateContentReadStream (cancellationToken As CancellationToken) As Stream" />
      <MemberSignature Language="F#" Value="override this.CreateContentReadStream : System.Threading.CancellationToken -&gt; System.IO.Stream" Usage="multipartContent.CreateContentReadStream cancellationToken" />
      <MemberSignature Language="C++ CLI" Value="protected:&#xA; override System::IO::Stream ^ CreateContentReadStream(System::Threading::CancellationToken cancellationToken);" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>System.Net.Http</AssemblyName>
        <AssemblyVersion>5.0.0.0</AssemblyVersion>
        <AssemblyVersion>6.0.0.0</AssemblyVersion>
        <AssemblyVersion>7.0.0.0</AssemblyVersion>
        <AssemblyVersion>8.0.0.0</AssemblyVersion>
        <AssemblyVersion>9.0.0.0</AssemblyVersion>
        <AssemblyVersion>10.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <AssemblyInfo>
        <AssemblyName>netstandard</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>System.IO.Stream</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="cancellationToken" Type="System.Threading.CancellationToken" Index="0" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;net-10.0" />
      </Parameters>
      <Docs>
        <param name="cancellationToken">The cancellation token to cancel the operation.</param>
        <summary>Serializes the HTTP content to a stream using the multipart/* encoding.</summary>
        <returns>The HTTP content stream that represents the multipart/* encoded HTTP content.</returns>
        <remarks>
          <format type="text/markdown"><![CDATA[  
  
## Remarks  
This method overrides <xref:System.Net.Http.HttpContent.CreateContentReadStream%2A?displayProperty=nameWithType> to use a custom stream that contains an array, with each HTTP content entity and its boundary encoded and serialized to a <xref:System.IO.MemoryStream> instance.

 ]]></format>
        </remarks>
        <exception cref="T:System.OperationCanceledException">The cancellation token was canceled. This exception is stored into the returned task.</exception>
      </Docs>
    </Member>
    <Member MemberName="CreateContentReadStreamAsync">
      <MemberSignature Language="C#" Value="protected override System.Threading.Tasks.Task&lt;System.IO.Stream&gt; CreateContentReadStreamAsync ();" />
      <MemberSignature Language="ILAsm" Value=".method familyhidebysig virtual instance class System.Threading.Tasks.Task`1&lt;class System.IO.Stream&gt; CreateContentReadStreamAsync() cil managed" />
      <MemberSignature Language="DocId" Value="M:System.Net.Http.MultipartContent.CreateContentReadStreamAsync" />
      <MemberSignature Language="VB.NET" Value="Protected Overrides Function CreateContentReadStreamAsync () As Task(Of Stream)" />
      <MemberSignature Language="F#" Value="override this.CreateContentReadStreamAsync : unit -&gt; System.Threading.Tasks.Task&lt;System.IO.Stream&gt;" Usage="multipartContent.CreateContentReadStreamAsync " />
      <MemberSignature Language="C++ CLI" Value="protected:&#xA; override System::Threading::Tasks::Task&lt;System::IO::Stream ^&gt; ^ CreateContentReadStreamAsync();" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>System.Net.Http</AssemblyName>
        <AssemblyVersion>4.2.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.2.0</AssemblyVersion>
        <AssemblyVersion>5.0.0.0</AssemblyVersion>
        <AssemblyVersion>6.0.0.0</AssemblyVersion>
        <AssemblyVersion>7.0.0.0</AssemblyVersion>
        <AssemblyVersion>8.0.0.0</AssemblyVersion>
        <AssemblyVersion>9.0.0.0</AssemblyVersion>
        <AssemblyVersion>10.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <AssemblyInfo>
        <AssemblyName>netstandard</AssemblyName>
        <AssemblyVersion>2.1.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>System.Threading.Tasks.Task&lt;System.IO.Stream&gt;</ReturnType>
      </ReturnValue>
      <Parameters />
      <Docs>
        <summary>Serializes the HTTP content to a stream using the multipart/* encoding as an asynchronous operation.</summary>
        <returns>The task object representing the asynchronous operation.</returns>
        <remarks>
          <format type="text/markdown"><![CDATA[  
  
## Remarks  
 This method overrides <xref:System.Net.Http.HttpContent.CreateContentReadStreamAsync%2A?displayProperty=nameWithType> to use a custom stream that contains an array, with each HTTP content and its boundary encoded and serialized to a <xref:System.IO.MemoryStream> instance.

 This operation will not block. The returned <xref:System.Threading.Tasks.Task%601> object will complete after all of the content has been written to the memory stream.  
  
 Once the operation completes, the <xref:System.Threading.Tasks.Task%601.Result%2A?displayProperty=nameWithType> property on the returned task object contains the stream that represents the multipart/* encoded HTTP content. The returned stream can then be used to read the content using various stream APIs.  
  
 ]]></format>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="CreateContentReadStreamAsync">
      <MemberSignature Language="C#" Value="protected override System.Threading.Tasks.Task&lt;System.IO.Stream&gt; CreateContentReadStreamAsync (System.Threading.CancellationToken cancellationToken);" />
      <MemberSignature Language="ILAsm" Value=".method familyhidebysig virtual instance class System.Threading.Tasks.Task`1&lt;class System.IO.Stream&gt; CreateContentReadStreamAsync(valuetype System.Threading.CancellationToken cancellationToken) cil managed" />
      <MemberSignature Language="DocId" Value="M:System.Net.Http.MultipartContent.CreateContentReadStreamAsync(System.Threading.CancellationToken)" />
      <MemberSignature Language="VB.NET" Value="Protected Overrides Function CreateContentReadStreamAsync (cancellationToken As CancellationToken) As Task(Of Stream)" />
      <MemberSignature Language="F#" Value="override this.CreateContentReadStreamAsync : System.Threading.CancellationToken -&gt; System.Threading.Tasks.Task&lt;System.IO.Stream&gt;" Usage="multipartContent.CreateContentReadStreamAsync cancellationToken" />
      <MemberSignature Language="C++ CLI" Value="protected:&#xA; override System::Threading::Tasks::Task&lt;System::IO::Stream ^&gt; ^ CreateContentReadStreamAsync(System::Threading::CancellationToken cancellationToken);" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>System.Net.Http</AssemblyName>
        <AssemblyVersion>5.0.0.0</AssemblyVersion>
        <AssemblyVersion>6.0.0.0</AssemblyVersion>
        <AssemblyVersion>7.0.0.0</AssemblyVersion>
        <AssemblyVersion>8.0.0.0</AssemblyVersion>
        <AssemblyVersion>9.0.0.0</AssemblyVersion>
        <AssemblyVersion>10.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <AssemblyInfo>
        <AssemblyName>netstandard</AssemblyName>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>System.Threading.Tasks.Task&lt;System.IO.Stream&gt;</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="cancellationToken" Type="System.Threading.CancellationToken" Index="0" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;net-10.0" />
      </Parameters>
      <Docs>
        <param name="cancellationToken">The cancellation token to cancel the operation.</param>
        <summary>Serializes the HTTP content to a stream using the multipart/* encoding as an asynchronous operation.</summary>
        <returns>The task object representing the asynchronous operation.</returns>
        <remarks>
          <format type="text/markdown"><![CDATA[  
  
## Remarks  
 This method overrides <xref:System.Net.Http.HttpContent.CreateContentReadStreamAsync%2A?displayProperty=nameWithType> to use a custom stream that contains an array, with each HTTP content and its boundary encoded and serialized to a <xref:System.IO.MemoryStream> instance.

 This operation will not block. The returned <xref:System.Threading.Tasks.Task%601> object will complete after all of the content has been written to the memory stream.  
  
 Once the operation completes, the <xref:System.Threading.Tasks.Task%601.Result%2A?displayProperty=nameWithType> property on the returned task object contains the stream that represents the multipart/* encoded HTTP content. The returned stream can then be used to read the content using various stream APIs.  
  
 ]]></format>
        </remarks>
        <exception cref="T:System.OperationCanceledException">The cancellation token was canceled. This exception is stored into the returned task.</exception>
      </Docs>
    </Member>
    <Member MemberName="Dispose">
      <MemberSignature Language="C#" Value="protected override void Dispose (bool disposing);" />
      <MemberSignature Language="ILAsm" Value=".method familyhidebysig virtual instance void Dispose(bool disposing) cil managed" />
      <MemberSignature Language="DocId" Value="M:System.Net.Http.MultipartContent.Dispose(System.Boolean)" />
      <MemberSignature Language="VB.NET" Value="Protected Overrides Sub Dispose (disposing As Boolean)" />
      <MemberSignature Language="F#" Value="override this.Dispose : bool -&gt; unit" Usage="multipartContent.Dispose disposing" />
      <MemberSignature Language="C++ CLI" Value="protected:&#xA; override void Dispose(bool disposing);" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>System.Net.Http</AssemblyName>
        <AssemblyVersion>4.0.0.0</AssemblyVersion>
        <AssemblyVersion>4.1.0.0</AssemblyVersion>
        <AssemblyVersion>4.1.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.0.0</AssemblyVersion>
        <AssemblyVersion>4.2.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.2.0</AssemblyVersion>
        <AssemblyVersion>5.0.0.0</AssemblyVersion>
        <AssemblyVersion>6.0.0.0</AssemblyVersion>
        <AssemblyVersion>7.0.0.0</AssemblyVersion>
        <AssemblyVersion>8.0.0.0</AssemblyVersion>
        <AssemblyVersion>9.0.0.0</AssemblyVersion>
        <AssemblyVersion>10.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <AssemblyInfo>
        <AssemblyName>netstandard</AssemblyName>
        <AssemblyVersion>2.0.0.0</AssemblyVersion>
        <AssemblyVersion>2.1.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>System.Void</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="disposing" Type="System.Boolean" />
      </Parameters>
      <Docs>
        <param name="disposing">
          <see langword="true" /> to release both managed and unmanaged resources; <see langword="false" /> to releases only unmanaged resources.</param>
        <summary>Releases the unmanaged resources used by the <see cref="T:System.Net.Http.MultipartContent" /> and optionally disposes of the managed resources.</summary>
        <remarks>
          <format type="text/markdown"><![CDATA[  
  
## Remarks
 This method is called by the public `Dispose()` method and the <xref:System.Object.Finalize> method, if it has been overridden. `Dispose()` invokes this method with the `disposing` parameter set to `true`. `Finalize` invokes this method with `disposing` set to `false`.

When the `disposing` parameter is `true`, this method releases all resources held by any managed objects that this <xref:System.Net.Http.MultipartContent> references. This method invokes the `Dispose()` method of each referenced object.  
  
 ]]></format>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="GetEnumerator">
      <MemberSignature Language="C#" Value="public System.Collections.Generic.IEnumerator&lt;System.Net.Http.HttpContent&gt; GetEnumerator ();" />
      <MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance class System.Collections.Generic.IEnumerator`1&lt;class System.Net.Http.HttpContent&gt; GetEnumerator() cil managed" />
      <MemberSignature Language="DocId" Value="M:System.Net.Http.MultipartContent.GetEnumerator" />
      <MemberSignature Language="VB.NET" Value="Public Function GetEnumerator () As IEnumerator(Of HttpContent)" />
      <MemberSignature Language="F#" Value="abstract member GetEnumerator : unit -&gt; System.Collections.Generic.IEnumerator&lt;System.Net.Http.HttpContent&gt;&#xA;override this.GetEnumerator : unit -&gt; System.Collections.Generic.IEnumerator&lt;System.Net.Http.HttpContent&gt;" Usage="multipartContent.GetEnumerator " />
      <MemberSignature Language="C++ CLI" Value="public:&#xA; virtual System::Collections::Generic::IEnumerator&lt;System::Net::Http::HttpContent ^&gt; ^ GetEnumerator();" />
      <MemberType>Method</MemberType>
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        <InterfaceMember>M:System.Collections.Generic.IEnumerable`1.GetEnumerator</InterfaceMember>
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      <AssemblyInfo>
        <AssemblyName>System.Net.Http</AssemblyName>
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        <AssemblyVersion>4.2.1.0</AssemblyVersion>
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        <AssemblyVersion>10.0.0.0</AssemblyVersion>
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      <AssemblyInfo>
        <AssemblyName>netstandard</AssemblyName>
        <AssemblyVersion>2.0.0.0</AssemblyVersion>
        <AssemblyVersion>2.1.0.0</AssemblyVersion>
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      <ReturnValue>
        <ReturnType>System.Collections.Generic.IEnumerator&lt;System.Net.Http.HttpContent&gt;</ReturnType>
      </ReturnValue>
      <Parameters />
      <Docs>
        <summary>Returns an enumerator that iterates through the collection of <see cref="T:System.Net.Http.HttpContent" /> objects that get serialized using the multipart/* content type specification.</summary>
        <returns>An object that can be used to iterate through the collection.</returns>
        <remarks>
          <format type="text/markdown"><![CDATA[  
  
## Remarks  
 The foreach statement of the C# language (For Each in Visual Basic) hides the complexity of the enumerators. Therefore, using foreach is recommended, instead of directly manipulating the enumerator.  
  
 Enumerators can be used to read the data in the collection, but they cannot be used to modify the underlying collection.  
  
 Initially, the enumerator is positioned before the first element in the collection.  
  
 ]]></format>
        </remarks>
      </Docs>
    </Member>
    <Member MemberName="HeaderEncodingSelector">
      <MemberSignature Language="C#" Value="public System.Net.Http.HeaderEncodingSelector&lt;System.Net.Http.HttpContent&gt;? HeaderEncodingSelector { get; set; }" />
      <MemberSignature Language="ILAsm" Value=".property instance class System.Net.Http.HeaderEncodingSelector`1&lt;class System.Net.Http.HttpContent&gt; HeaderEncodingSelector" />
      <MemberSignature Language="DocId" Value="P:System.Net.Http.MultipartContent.HeaderEncodingSelector" />
      <MemberSignature Language="VB.NET" Value="Public Property HeaderEncodingSelector As HeaderEncodingSelector(Of HttpContent)" />
      <MemberSignature Language="F#" Value="member this.HeaderEncodingSelector : System.Net.Http.HeaderEncodingSelector&lt;System.Net.Http.HttpContent&gt; with get, set" Usage="System.Net.Http.MultipartContent.HeaderEncodingSelector" />
      <MemberSignature Language="C++ CLI" Value="public:&#xA; property System::Net::Http::HeaderEncodingSelector&lt;System::Net::Http::HttpContent ^&gt; ^ HeaderEncodingSelector { System::Net::Http::HeaderEncodingSelector&lt;System::Net::Http::HttpContent ^&gt; ^ get(); void set(System::Net::Http::HeaderEncodingSelector&lt;System::Net::Http::HttpContent ^&gt; ^ value); };" />
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        <AssemblyName>System.Net.Http</AssemblyName>
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        <AssemblyVersion>8.0.0.0</AssemblyVersion>
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        <AssemblyVersion>10.0.0.0</AssemblyVersion>
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      <AssemblyInfo>
        <AssemblyName>netstandard</AssemblyName>
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      <Attributes>
        <Attribute FrameworkAlternate="net-10.0;net-8.0;net-9.0">
          <AttributeName Language="C#">[System.Runtime.CompilerServices.Nullable(new System.Byte[] { 2, 1 })]</AttributeName>
          <AttributeName Language="F#">[&lt;System.Runtime.CompilerServices.Nullable(new System.Byte[] { 2, 1 })&gt;]</AttributeName>
        </Attribute>
      </Attributes>
      <ReturnValue>
        <ReturnType>System.Net.Http.HeaderEncodingSelector&lt;System.Net.Http.HttpContent&gt;</ReturnType>
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      <Docs>
        <summary>Gets or sets a callback that decode response header values.</summary>
        <value>The header encoding selector callback to decode the value for the specified response header name, or <see langword="null" /> to indicate the default behavior.</value>
        <remarks>To be added.</remarks>
      </Docs>
    </Member>
    <Member MemberName="SerializeToStream">
      <MemberSignature Language="C#" Value="protected override void SerializeToStream (System.IO.Stream stream, System.Net.TransportContext? context, System.Threading.CancellationToken cancellationToken);" />
      <MemberSignature Language="ILAsm" Value=".method familyhidebysig virtual instance void SerializeToStream(class System.IO.Stream stream, class System.Net.TransportContext context, valuetype System.Threading.CancellationToken cancellationToken) cil managed" />
      <MemberSignature Language="DocId" Value="M:System.Net.Http.MultipartContent.SerializeToStream(System.IO.Stream,System.Net.TransportContext,System.Threading.CancellationToken)" />
      <MemberSignature Language="VB.NET" Value="Protected Overrides Sub SerializeToStream (stream As Stream, context As TransportContext, cancellationToken As CancellationToken)" />
      <MemberSignature Language="F#" Value="override this.SerializeToStream : System.IO.Stream * System.Net.TransportContext * System.Threading.CancellationToken -&gt; unit" Usage="multipartContent.SerializeToStream (stream, context, cancellationToken)" />
      <MemberSignature Language="C++ CLI" Value="protected:&#xA; override void SerializeToStream(System::IO::Stream ^ stream, System::Net::TransportContext ^ context, System::Threading::CancellationToken cancellationToken);" />
      <MemberType>Method</MemberType>
      <AssemblyInfo>
        <AssemblyName>System.Net.Http</AssemblyName>
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        <AssemblyVersion>7.0.0.0</AssemblyVersion>
        <AssemblyVersion>8.0.0.0</AssemblyVersion>
        <AssemblyVersion>9.0.0.0</AssemblyVersion>
        <AssemblyVersion>10.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <AssemblyInfo>
        <AssemblyName>netstandard</AssemblyName>
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      <ReturnValue>
        <ReturnType>System.Void</ReturnType>
      </ReturnValue>
      <Parameters>
        <Parameter Name="stream" Type="System.IO.Stream" Index="0" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;net-10.0" />
        <Parameter Name="context" Type="System.Net.TransportContext" Index="1" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;net-10.0">
          <Attributes>
            <Attribute FrameworkAlternate="net-10.0;net-8.0;net-9.0">
              <AttributeName Language="C#">[System.Runtime.CompilerServices.Nullable(2)]</AttributeName>
              <AttributeName Language="F#">[&lt;System.Runtime.CompilerServices.Nullable(2)&gt;]</AttributeName>
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        </Parameter>
        <Parameter Name="cancellationToken" Type="System.Threading.CancellationToken" Index="2" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;net-10.0" />
      </Parameters>
      <Docs>
        <param name="stream">The target stream.</param>
        <param name="context">Information about the transport (for example, the channel binding token). This parameter may be <see langword="null" />.</param>
        <param name="cancellationToken">The cancellation token to cancel the operation.</param>
        <summary>Serializes the multipart HTTP content to a stream.</summary>
        <remarks>To be added.</remarks>
        <exception cref="T:System.OperationCanceledException">The cancellation token was canceled. This exception is stored into the returned task.</exception>
      </Docs>
    </Member>
    <Member MemberName="SerializeToStreamAsync">
      <MemberSignature Language="C#" Value="protected override System.Threading.Tasks.Task SerializeToStreamAsync (System.IO.Stream stream, System.Net.TransportContext context);" FrameworkAlternate="dotnet-uwp-10.0;netcore-1.0;netcore-1.1;netcore-2.0;netcore-2.1;netcore-2.2;netcore-3.0;netcore-3.1;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1;netstandard-1.1;netstandard-1.2;netstandard-1.3;netstandard-1.4;netstandard-1.6;netstandard-2.0;netstandard-2.1" />
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      <MemberSignature Language="DocId" Value="M:System.Net.Http.MultipartContent.SerializeToStreamAsync(System.IO.Stream,System.Net.TransportContext)" />
      <MemberSignature Language="VB.NET" Value="Protected Overrides Function SerializeToStreamAsync (stream As Stream, context As TransportContext) As Task" />
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      <MemberSignature Language="C#" Value="protected override System.Threading.Tasks.Task SerializeToStreamAsync (System.IO.Stream stream, System.Net.TransportContext? context);" FrameworkAlternate="net-10.0;net-5.0;net-6.0;net-7.0;net-8.0;net-9.0" />
      <MemberType>Method</MemberType>
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        <AssemblyName>System.Net.Http</AssemblyName>
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        <AssemblyName>netstandard</AssemblyName>
        <AssemblyVersion>2.0.0.0</AssemblyVersion>
        <AssemblyVersion>2.1.0.0</AssemblyVersion>
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      <ReturnValue>
        <ReturnType>System.Threading.Tasks.Task</ReturnType>
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      <Parameters>
        <Parameter Name="stream" Type="System.IO.Stream" />
        <Parameter Name="context" Type="System.Net.TransportContext">
          <Attributes>
            <Attribute FrameworkAlternate="net-10.0;net-8.0;net-9.0">
              <AttributeName Language="C#">[System.Runtime.CompilerServices.Nullable(2)]</AttributeName>
              <AttributeName Language="F#">[&lt;System.Runtime.CompilerServices.Nullable(2)&gt;]</AttributeName>
            </Attribute>
          </Attributes>
        </Parameter>
      </Parameters>
      <Docs>
        <param name="stream">The target stream.</param>
        <param name="context">Information about the transport (channel binding token, for example). This parameter may be <see langword="null" />.</param>
        <summary>Serialize the multipart HTTP content to a stream as an asynchronous operation.</summary>
        <returns>The task object representing the asynchronous operation.</returns>
        <remarks>
          <format type="text/markdown"><![CDATA[  
  
## Remarks  
 This operation will not block. The returned <xref:System.Threading.Tasks.Task%601> object will complete after all of the content has been serialized to the target stream.  
  
 ]]></format>
        </remarks>
      </Docs>
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    <Member MemberName="SerializeToStreamAsync">
      <MemberSignature Language="C#" Value="protected override System.Threading.Tasks.Task SerializeToStreamAsync (System.IO.Stream stream, System.Net.TransportContext? context, System.Threading.CancellationToken cancellationToken);" />
      <MemberSignature Language="ILAsm" Value=".method familyhidebysig virtual instance class System.Threading.Tasks.Task SerializeToStreamAsync(class System.IO.Stream stream, class System.Net.TransportContext context, valuetype System.Threading.CancellationToken cancellationToken) cil managed" />
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      <MemberSignature Language="C++ CLI" Value="protected:&#xA; override System::Threading::Tasks::Task ^ SerializeToStreamAsync(System::IO::Stream ^ stream, System::Net::TransportContext ^ context, System::Threading::CancellationToken cancellationToken);" />
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        <AssemblyVersion>10.0.0.0</AssemblyVersion>
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        <ReturnType>System.Threading.Tasks.Task</ReturnType>
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        <Parameter Name="stream" Type="System.IO.Stream" Index="0" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;net-10.0" />
        <Parameter Name="context" Type="System.Net.TransportContext" Index="1" FrameworkAlternate="net-5.0;net-6.0;net-7.0;net-8.0;net-9.0;net-10.0">
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        <param name="stream">The target stream.</param>
        <param name="context">Information about the transport (channel binding token, for example). This parameter may be <see langword="null" />.</param>
        <param name="cancellationToken">The cancellation token to cancel the operation.</param>
        <summary>Serialize the multipart HTTP content to a stream as an asynchronous operation.</summary>
        <returns>The task object representing the asynchronous operation.</returns>
        <remarks>
          <format type="text/markdown"><![CDATA[  
  
## Remarks  
 This operation will not block. The returned <xref:System.Threading.Tasks.Task%601> object will complete after all of the content has been serialized to the target stream.  
  
 ]]></format>
        </remarks>
        <exception cref="T:System.OperationCanceledException">The cancellation token was canceled. This exception is stored into the returned task.</exception>
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    <Member MemberName="System.Collections.IEnumerable.GetEnumerator">
      <MemberSignature Language="C#" Value="System.Collections.IEnumerator IEnumerable.GetEnumerator ();" />
      <MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance class System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() cil managed" />
      <MemberSignature Language="DocId" Value="M:System.Net.Http.MultipartContent.System#Collections#IEnumerable#GetEnumerator" />
      <MemberSignature Language="VB.NET" Value="Function GetEnumerator () As IEnumerator Implements IEnumerable.GetEnumerator" />
      <MemberSignature Language="F#" Value="abstract member System.Collections.IEnumerable.GetEnumerator : unit -&gt; System.Collections.IEnumerator&#xA;override this.System.Collections.IEnumerable.GetEnumerator : unit -&gt; System.Collections.IEnumerator" Usage="multipartContent.System.Collections.IEnumerable.GetEnumerator " />
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        <AssemblyVersion>4.2.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.2.0</AssemblyVersion>
        <AssemblyVersion>5.0.0.0</AssemblyVersion>
        <AssemblyVersion>6.0.0.0</AssemblyVersion>
        <AssemblyVersion>7.0.0.0</AssemblyVersion>
        <AssemblyVersion>8.0.0.0</AssemblyVersion>
        <AssemblyVersion>9.0.0.0</AssemblyVersion>
        <AssemblyVersion>10.0.0.0</AssemblyVersion>
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      <ReturnValue>
        <ReturnType>System.Collections.IEnumerator</ReturnType>
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      <Parameters />
      <Docs>
        <summary>The explicit implementation of the <see cref="M:System.Net.Http.MultipartContent.GetEnumerator" /> method.</summary>
        <returns>An object that can be used to iterate through the collection.</returns>
        <remarks>
          <format type="text/markdown"><![CDATA[

## Remarks

This member is an explicit interface member implementation. It can be used only when the <xref:System.Net.Http.MultipartContent> instance is cast to an <xref:System.Collections.IEnumerable> interface.

          ]]></format>
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    <Member MemberName="TryComputeLength">
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      <AssemblyInfo>
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        <AssemblyVersion>4.1.1.0</AssemblyVersion>
        <AssemblyVersion>4.2.0.0</AssemblyVersion>
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        <AssemblyVersion>6.0.0.0</AssemblyVersion>
        <AssemblyVersion>7.0.0.0</AssemblyVersion>
        <AssemblyVersion>8.0.0.0</AssemblyVersion>
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        <AssemblyVersion>10.0.0.0</AssemblyVersion>
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        <AssemblyVersion>2.1.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>System.Boolean</ReturnType>
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      <Parameters>
        <Parameter Name="length" Type="System.Int64" RefType="out" />
      </Parameters>
      <Docs>
        <param name="length">The length in bytes of the HTTP content.</param>
        <summary>Determines whether the HTTP multipart content has a valid length in bytes.</summary>
        <returns>
          <see langword="true" /> if <paramref name="length" /> is a valid length; otherwise, <see langword="false" />.</returns>
        <remarks>
          <format type="text/markdown"><![CDATA[  
  
## Remarks  
 The <xref:System.Net.Http.MultipartContent.TryComputeLength%2A> method gives HTTP multipart content the ability to calculate the content length. This is useful for content types which are able to easily calculate the content length. If computing the content length is not possible or expensive (would require the system to buffer the whole content where the serialization would be expensive or require the system to allocate a lot of memory), this method can return `false`. If this method returns `false`, this implies that either chunked transfer is needed or the content must get buffered before being sent to the server.  
  
 ]]></format>
        </remarks>
      </Docs>
    </Member>
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</Type>