https://openjdk.java.net/ 
public interface jdk.internal.org.objectweb.asm.util.Textifiable
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: jdk.internal.org.objectweb.asm.util.Textifiable
  super_class: java.lang.Object
{
  public abstract void textify(java.lang.StringBuffer, java.util.Map<jdk.internal.org.objectweb.asm.Label, java.lang.String>);
    descriptor: (Ljava/lang/StringBuffer;Ljava/util/Map;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (Ljava/lang/StringBuffer;Ljava/util/Map<Ljdk/internal/org/objectweb/asm/Label;Ljava/lang/String;>;)V
    MethodParameters:
            Name  Flags
      buf         
      labelNames  
}
SourceFile: "Textifiable.java"