http://www.antlr.org: A framework for constructing recognizers, compilers, and translators from grammatical descriptions containing Java, C#, C++, or Python actions. (ANTLR) 
public interface org.antlr.runtime.CharStream extends org.antlr.runtime.IntStream
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.antlr.runtime.CharStream
  super_class: java.lang.Object
{
  public static final int EOF;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: -1

  public abstract java.lang.String substring(int, int);
    descriptor: (II)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
       Name  Flags
      start  
      stop   

  public abstract int LT(int);
    descriptor: (I)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      i     

  public abstract int getLine();
    descriptor: ()I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract void setLine(int);
    descriptor: (I)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      line  

  public abstract void setCharPositionInLine(int);
    descriptor: (I)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      pos   

  public abstract int getCharPositionInLine();
    descriptor: ()I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "CharStream.java"