https://www.graalvm.org/ 
public final class com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl implements com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl
  super_class: java.lang.Object
{
  private final java.lang.String filename;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.String directory;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$ChecksumKind checksumKind;
    descriptor: Lcom/oracle/truffle/llvm/runtime/debug/scope/LLVMSourceFileReference$ChecksumKind;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.String checksum;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(java.lang.String, java.lang.String, com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$ChecksumKind, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;Lcom/oracle/truffle/llvm/runtime/debug/scope/LLVMSourceFileReference$ChecksumKind;Ljava/lang/String;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=5, args_size=5
        start local 0 // com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl this
        start local 1 // java.lang.String filename
        start local 2 // java.lang.String directory
        start local 3 // com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$ChecksumKind checksumKind
        start local 4 // java.lang.String checksum
         0: .line 142
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 143
            aload 0 /* this */
            aload 1 /* filename */
            putfield com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl.filename:Ljava/lang/String;
         2: .line 144
            aload 0 /* this */
            aload 2 /* directory */
            putfield com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl.directory:Ljava/lang/String;
         3: .line 145
            aload 0 /* this */
            aload 3 /* checksumKind */
            putfield com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl.checksumKind:Lcom/oracle/truffle/llvm/runtime/debug/scope/LLVMSourceFileReference$ChecksumKind;
         4: .line 146
            aload 0 /* this */
            aload 4 /* checksum */
            putfield com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl.checksum:Ljava/lang/String;
         5: .line 147
            return
        end local 4 // java.lang.String checksum
        end local 3 // com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$ChecksumKind checksumKind
        end local 2 // java.lang.String directory
        end local 1 // java.lang.String filename
        end local 0 // com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    6     0          this  Lcom/oracle/truffle/llvm/runtime/debug/scope/LLVMSourceFileReference$LLVMSourceFileReferenceImpl;
            0    6     1      filename  Ljava/lang/String;
            0    6     2     directory  Ljava/lang/String;
            0    6     3  checksumKind  Lcom/oracle/truffle/llvm/runtime/debug/scope/LLVMSourceFileReference$ChecksumKind;
            0    6     4      checksum  Ljava/lang/String;
    MethodParameters:
              Name  Flags
      filename      
      directory     
      checksumKind  
      checksum      

  public java.lang.String getFilename();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl this
         0: .line 151
            aload 0 /* this */
            getfield com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl.filename:Ljava/lang/String;
            areturn
        end local 0 // com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/llvm/runtime/debug/scope/LLVMSourceFileReference$LLVMSourceFileReferenceImpl;

  public java.lang.String getDirectory();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl this
         0: .line 156
            aload 0 /* this */
            getfield com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl.directory:Ljava/lang/String;
            areturn
        end local 0 // com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/llvm/runtime/debug/scope/LLVMSourceFileReference$LLVMSourceFileReferenceImpl;

  public com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$ChecksumKind getChecksumKind();
    descriptor: ()Lcom/oracle/truffle/llvm/runtime/debug/scope/LLVMSourceFileReference$ChecksumKind;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl this
         0: .line 161
            aload 0 /* this */
            getfield com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl.checksumKind:Lcom/oracle/truffle/llvm/runtime/debug/scope/LLVMSourceFileReference$ChecksumKind;
            areturn
        end local 0 // com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/llvm/runtime/debug/scope/LLVMSourceFileReference$LLVMSourceFileReferenceImpl;

  public java.lang.String getChecksum();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl this
         0: .line 166
            aload 0 /* this */
            getfield com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl.checksum:Ljava/lang/String;
            areturn
        end local 0 // com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/llvm/runtime/debug/scope/LLVMSourceFileReference$LLVMSourceFileReferenceImpl;
}
SourceFile: "LLVMSourceFileReference.java"
NestHost: com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference
InnerClasses:
  public final ChecksumKind = com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$ChecksumKind of com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference
  public final LLVMSourceFileReferenceImpl = com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference$LLVMSourceFileReferenceImpl of com.oracle.truffle.llvm.runtime.debug.scope.LLVMSourceFileReference