https://openjdk.java.net/ 
public interface org.graalvm.compiler.lir.InstructionStateProcedure
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.graalvm.compiler.lir.InstructionStateProcedure
  super_class: java.lang.Object
{
  public abstract void doState(org.graalvm.compiler.lir.LIRInstruction, org.graalvm.compiler.lir.LIRFrameState);
    descriptor: (Lorg/graalvm/compiler/lir/LIRInstruction;Lorg/graalvm/compiler/lir/LIRFrameState;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
             Name  Flags
      instruction  
      state        
}
SourceFile: "InstructionStateProcedure.java"
    RuntimeVisibleAnnotations: 
      java.lang.FunctionalInterface()