https://openjdk.java.net/ 
public interface org.graalvm.compiler.lir.asm.FrameContext
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.graalvm.compiler.lir.asm.FrameContext
  super_class: java.lang.Object
{
  public abstract void enter(org.graalvm.compiler.lir.asm.CompilationResultBuilder);
    descriptor: (Lorg/graalvm/compiler/lir/asm/CompilationResultBuilder;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      crb   

  public abstract void leave(org.graalvm.compiler.lir.asm.CompilationResultBuilder);
    descriptor: (Lorg/graalvm/compiler/lir/asm/CompilationResultBuilder;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      crb   

  public abstract boolean hasFrame();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "FrameContext.java"