https://www.graalvm.org/ 
public interface com.oracle.truffle.llvm.api.Toolchain
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.oracle.truffle.llvm.api.Toolchain
  super_class: java.lang.Object
{
  public abstract com.oracle.truffle.api.TruffleFile getToolPath(java.lang.String);
    descriptor: (Ljava/lang/String;)Lcom/oracle/truffle/api/TruffleFile;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      tool  

  public abstract java.util.List<com.oracle.truffle.api.TruffleFile> getPaths(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/util/List;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (Ljava/lang/String;)Ljava/util/List<Lcom/oracle/truffle/api/TruffleFile;>;
    MethodParameters:
          Name  Flags
      pathName  

  public abstract java.lang.String getIdentifier();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "Toolchain.java"