https://openjdk.java.net/ 
public interface sun.tools.javac.ErrorConsumer
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: sun.tools.javac.ErrorConsumer
  super_class: java.lang.Object
{
  public abstract void pushError(java.lang.String, int, java.lang.String, java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;ILjava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
                      Name  Flags
      errorFileName         
      line                  
      message               
      referenceText         
      referenceTextPointer  
}
SourceFile: "ErrorConsumer.java"
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()