http://netty.io/netty-all/: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. (The Netty Project) 
class io.netty.handler.codec.http2.DefaultHttp2Headers$1 implements io.netty.util.ByteProcessor
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: io.netty.handler.codec.http2.DefaultHttp2Headers$1
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http2.DefaultHttp2Headers$1 this
         0: .line 34
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // io.netty.handler.codec.http2.DefaultHttp2Headers$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http2/DefaultHttp2Headers$1;

  public boolean process(byte);
    descriptor: (B)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http2.DefaultHttp2Headers$1 this
        start local 1 // byte value
         0: .line 37
            iload 1 /* value */
            invokestatic io.netty.util.AsciiString.isUpperCase:(B)Z
            ifeq 1
            iconst_0
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_1
      StackMap locals:
      StackMap stack: int
         2: ireturn
        end local 1 // byte value
        end local 0 // io.netty.handler.codec.http2.DefaultHttp2Headers$1 this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lio/netty/handler/codec/http2/DefaultHttp2Headers$1;
            0    3     1  value  B
    MethodParameters:
       Name  Flags
      value  
}
SourceFile: "DefaultHttp2Headers.java"
EnclosingMethod: io.netty.handler.codec.http2.DefaultHttp2Headers
NestHost: io.netty.handler.codec.http2.DefaultHttp2Headers
InnerClasses:
  io.netty.handler.codec.http2.DefaultHttp2Headers$1