https://www.graalvm.org/ 
public interface org.graalvm.tools.insight.test.InsightAPI$SourceInfo
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.graalvm.tools.insight.test.InsightAPI$SourceInfo
  super_class: java.lang.Object
{
  public abstract java.lang.String name();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.lang.String characters();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.lang.String language();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.lang.String mimeType();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.lang.String uri();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "InsightAPI.java"
NestHost: org.graalvm.tools.insight.test.InsightAPI
InnerClasses:
  public abstract SourceInfo = org.graalvm.tools.insight.test.InsightAPI$SourceInfo of org.graalvm.tools.insight.test.InsightAPI