https://eclipse.org/jetty/jetty-server: The core jetty server artifact. (Webtide) 
public interface org.eclipse.jetty.server.resource.RangeWriter extends java.io.Closeable
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.eclipse.jetty.server.resource.RangeWriter
  super_class: java.lang.Object
{
  public abstract void writeTo(java.io.OutputStream, long, long);
    descriptor: (Ljava/io/OutputStream;JJ)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
              Name  Flags
      outputStream  
      skipTo        
      length        
}
SourceFile: "RangeWriter.java"