https://www.graalvm.org/ 
public interface com.oracle.truffle.api.TruffleRuntimeAccess
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.oracle.truffle.api.TruffleRuntimeAccess
  super_class: java.lang.Object
{
  public abstract com.oracle.truffle.api.TruffleRuntime getRuntime();
    descriptor: ()Lcom/oracle/truffle/api/TruffleRuntime;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public int getPriority();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.TruffleRuntimeAccess this
         0: .line 63
            iconst_0
            ireturn
        end local 0 // com.oracle.truffle.api.TruffleRuntimeAccess this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/TruffleRuntimeAccess;
}
SourceFile: "TruffleRuntimeAccess.java"