http://www.antlr.org/antlr4-runtime: The ANTLR 4 Runtime (ANTLR) 
public interface org.antlr.v4.runtime.CharStream extends org.antlr.v4.runtime.IntStream
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.antlr.v4.runtime.CharStream
  super_class: java.lang.Object
{
  public abstract java.lang.String getText(org.antlr.v4.runtime.misc.Interval);
    descriptor: (Lorg/antlr/v4/runtime/misc/Interval;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
          Name  Flags
      interval  
}
SourceFile: "CharStream.java"