https://www.graalvm.org/ 
public interface com.oracle.truffle.dsl.processor.expression.DSLExpression$DSLExpressionReducer
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.oracle.truffle.dsl.processor.expression.DSLExpression$DSLExpressionReducer
  super_class: java.lang.Object
{
  public abstract com.oracle.truffle.dsl.processor.expression.DSLExpression visitBinary(com.oracle.truffle.dsl.processor.expression.DSLExpression$Binary);
    descriptor: (Lcom/oracle/truffle/dsl/processor/expression/DSLExpression$Binary;)Lcom/oracle/truffle/dsl/processor/expression/DSLExpression;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      binary  

  public abstract com.oracle.truffle.dsl.processor.expression.DSLExpression visitNegate(com.oracle.truffle.dsl.processor.expression.DSLExpression$Negate);
    descriptor: (Lcom/oracle/truffle/dsl/processor/expression/DSLExpression$Negate;)Lcom/oracle/truffle/dsl/processor/expression/DSLExpression;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      negate  

  public abstract com.oracle.truffle.dsl.processor.expression.DSLExpression visitCall(com.oracle.truffle.dsl.processor.expression.DSLExpression$Call);
    descriptor: (Lcom/oracle/truffle/dsl/processor/expression/DSLExpression$Call;)Lcom/oracle/truffle/dsl/processor/expression/DSLExpression;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      binary  

  public abstract com.oracle.truffle.dsl.processor.expression.DSLExpression visitVariable(com.oracle.truffle.dsl.processor.expression.DSLExpression$Variable);
    descriptor: (Lcom/oracle/truffle/dsl/processor/expression/DSLExpression$Variable;)Lcom/oracle/truffle/dsl/processor/expression/DSLExpression;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      binary  
}
SourceFile: "DSLExpression.java"
NestHost: com.oracle.truffle.dsl.processor.expression.DSLExpression
InnerClasses:
  public final Binary = com.oracle.truffle.dsl.processor.expression.DSLExpression$Binary of com.oracle.truffle.dsl.processor.expression.DSLExpression
  public final Call = com.oracle.truffle.dsl.processor.expression.DSLExpression$Call of com.oracle.truffle.dsl.processor.expression.DSLExpression
  public abstract DSLExpressionReducer = com.oracle.truffle.dsl.processor.expression.DSLExpression$DSLExpressionReducer of com.oracle.truffle.dsl.processor.expression.DSLExpression
  public final Negate = com.oracle.truffle.dsl.processor.expression.DSLExpression$Negate of com.oracle.truffle.dsl.processor.expression.DSLExpression
  public final Variable = com.oracle.truffle.dsl.processor.expression.DSLExpression$Variable of com.oracle.truffle.dsl.processor.expression.DSLExpression