https://tomcat.apache.org/: Tomcat Connectors and HTTP parser 
public interface org.apache.coyote.OutputBuffer
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.apache.coyote.OutputBuffer
  super_class: java.lang.Object
{
  public abstract int doWrite(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      chunk  

  public abstract long getBytesWritten();
    descriptor: ()J
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "OutputBuffer.java"