https://github.com/oracle/graal: GraalVM is an ecosystem for compiling and running applications written in multiple languages. GraalVM removes the isolation between programming languages and enables interoperability in a shared runtime. 
public abstract class org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractSourceImpl
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractSourceImpl
  super_class: java.lang.Object
{
  protected final org.graalvm.polyglot.impl.AbstractPolyglotImpl engineImpl;
    descriptor: Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  protected void <init>(org.graalvm.polyglot.impl.AbstractPolyglotImpl);
    descriptor: (Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractSourceImpl this
        start local 1 // org.graalvm.polyglot.impl.AbstractPolyglotImpl engineImpl
         0: .line 289
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 290
            aload 1 /* engineImpl */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         2: .line 291
            aload 0 /* this */
            aload 1 /* engineImpl */
            putfield org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractSourceImpl.engineImpl:Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl;
         3: .line 292
            return
        end local 1 // org.graalvm.polyglot.impl.AbstractPolyglotImpl engineImpl
        end local 0 // org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractSourceImpl this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    4     0        this  Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$AbstractSourceImpl;
            0    4     1  engineImpl  Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl;
    MethodParameters:
            Name  Flags
      engineImpl  

  public abstract org.graalvm.polyglot.Source build(java.lang.String, java.lang.Object, java.net.URI, java.lang.String, java.lang.String, java.lang.Object, boolean, boolean, boolean, java.nio.charset.Charset);
    descriptor: (Ljava/lang/String;Ljava/lang/Object;Ljava/net/URI;Ljava/lang/String;Ljava/lang/String;Ljava/lang/Object;ZZZLjava/nio/charset/Charset;)Lorg/graalvm/polyglot/Source;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
             Name  Flags
      language     
      origin       
      uri          
      name         
      mimeType     
      content      
      interactive  
      internal     
      cached       
      encoding     

  public abstract java.lang.String getName(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract java.lang.String getPath(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract boolean isInteractive(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract java.net.URL getURL(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/net/URL;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract java.net.URI getURI(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/net/URI;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract java.io.Reader getReader(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/io/Reader;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract java.io.InputStream getInputStream(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/io/InputStream;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract int getLength(java.lang.Object);
    descriptor: (Ljava/lang/Object;)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract java.lang.CharSequence getCharacters(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/CharSequence;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract java.lang.CharSequence getCharacters(java.lang.Object, int);
    descriptor: (Ljava/lang/Object;I)Ljava/lang/CharSequence;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
            Name  Flags
      impl        
      lineNumber  

  public abstract int getLineCount(java.lang.Object);
    descriptor: (Ljava/lang/Object;)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract int getLineNumber(java.lang.Object, int);
    descriptor: (Ljava/lang/Object;I)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      impl    
      offset  

  public abstract int getColumnNumber(java.lang.Object, int);
    descriptor: (Ljava/lang/Object;I)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      impl    
      offset  

  public abstract int getLineStartOffset(java.lang.Object, int);
    descriptor: (Ljava/lang/Object;I)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
            Name  Flags
      impl        
      lineNumber  

  public abstract int getLineLength(java.lang.Object, int);
    descriptor: (Ljava/lang/Object;I)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
            Name  Flags
      impl        
      lineNumber  

  public abstract java.lang.String toString(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract int hashCode(java.lang.Object);
    descriptor: (Ljava/lang/Object;)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract boolean equals(java.lang.Object, java.lang.Object);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
           Name  Flags
      impl       
      otherImpl  

  public abstract boolean isInternal(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract java.lang.String findLanguage(java.io.File);
    descriptor: (Ljava/io/File;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      file  

  public abstract java.lang.String findLanguage(java.net.URL);
    descriptor: (Ljava/net/URL;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      url   

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

  public abstract java.lang.String findMimeType(java.io.File);
    descriptor: (Ljava/io/File;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      file  

  public abstract java.lang.String findMimeType(java.net.URL);
    descriptor: (Ljava/net/URL;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      url   

  public abstract org.graalvm.polyglot.io.ByteSequence getBytes(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/graalvm/polyglot/io/ByteSequence;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract boolean hasCharacters(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract boolean hasBytes(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract java.lang.String getMimeType(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  

  public abstract java.lang.String getLanguage(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      impl  
}
SourceFile: "AbstractPolyglotImpl.java"
NestHost: org.graalvm.polyglot.impl.AbstractPolyglotImpl
InnerClasses:
  public abstract AbstractSourceImpl = org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractSourceImpl of org.graalvm.polyglot.impl.AbstractPolyglotImpl