https://openjdk.java.net/ 
public interface jdk.jshell.SourceCodeAnalysis$CompletionInfo
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: jdk.jshell.SourceCodeAnalysis$CompletionInfo
  super_class: java.lang.Object
{
  public abstract jdk.jshell.SourceCodeAnalysis$Completeness completeness();
    descriptor: ()Ljdk/jshell/SourceCodeAnalysis$Completeness;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

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

  public abstract java.lang.String source();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "SourceCodeAnalysis.java"
NestHost: jdk.jshell.SourceCodeAnalysis
InnerClasses:
  public final Completeness = jdk.jshell.SourceCodeAnalysis$Completeness of jdk.jshell.SourceCodeAnalysis
  public abstract CompletionInfo = jdk.jshell.SourceCodeAnalysis$CompletionInfo of jdk.jshell.SourceCodeAnalysis