https://www.graalvm.org/ 
final class com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray implements com.oracle.truffle.api.interop.TruffleObject
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray
  super_class: java.lang.Object
{
  private final com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer[] args;
    descriptor: [Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$CompilationFinal(dimensions = 1)

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 105
            ldc Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>(com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer[]);
    descriptor: ([Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray this
        start local 1 // com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer[] args
         0: .line 109
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 110
            aload 0 /* this */
            aload 1 /* args */
            putfield com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray.args:[Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer;
         2: .line 111
            return
        end local 1 // com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer[] args
        end local 0 // com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer$LLVMArgumentArray;
            0    3     1  args  [Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer;
    MethodParameters:
      Name  Flags
      args  

  boolean hasArrayElements();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray this
         0: .line 115
            getstatic com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            getfield com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray.args:[Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer;
            ifnonnull 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 116
      StackMap locals:
      StackMap stack:
            iconst_1
            ireturn
        end local 0 // com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer$LLVMArgumentArray;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()

  long getArraySize();
    descriptor: ()J
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray this
         0: .line 121
            aload 0 /* this */
            getfield com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray.args:[Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer;
            arraylength
            i2l
            lreturn
        end local 0 // com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer$LLVMArgumentArray;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()

  boolean isArrayElementReadable(long);
    descriptor: (J)Z
    flags: (0x0000) 
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray this
        start local 1 // long idx
         0: .line 126
            lload 1 /* idx */
            aload 0 /* this */
            getfield com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray.args:[Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer;
            arraylength
            i2l
            invokestatic java.lang.Long.compareUnsigned:(JJ)I
            ifge 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // long idx
        end local 0 // com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer$LLVMArgumentArray;
            0    2     1   idx  J
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()
    MethodParameters:
      Name  Flags
      idx   

  java.lang.Object readArrayElement(long, com.oracle.truffle.api.profiles.BranchProfile);
    descriptor: (JLcom/oracle/truffle/api/profiles/BranchProfile;)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray this
        start local 1 // long idx
        start local 3 // com.oracle.truffle.api.profiles.BranchProfile exception
         0: .line 132
            aload 0 /* this */
            lload 1 /* idx */
            invokevirtual com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray.isArrayElementReadable:(J)Z
            ifeq 2
         1: .line 133
            aload 0 /* this */
            getfield com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray.args:[Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer;
            lload 1 /* idx */
            l2i
            aaload
            areturn
         2: .line 135
      StackMap locals:
      StackMap stack:
            aload 3 /* exception */
            invokevirtual com.oracle.truffle.api.profiles.BranchProfile.enter:()V
         3: .line 136
            lload 1 /* idx */
            invokestatic com.oracle.truffle.api.interop.InvalidArrayIndexException.create:(J)Lcom/oracle/truffle/api/interop/InvalidArrayIndexException;
            areturn
        end local 3 // com.oracle.truffle.api.profiles.BranchProfile exception
        end local 1 // long idx
        end local 0 // com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    4     0       this  Lcom/oracle/truffle/llvm/runtime/LLVMArgumentBuffer$LLVMArgumentArray;
            0    4     1        idx  J
            0    4     3  exception  Lcom/oracle/truffle/api/profiles/BranchProfile;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()
    RuntimeInvisibleParameterAnnotations: 
      0:
      1:
        com.oracle.truffle.api.dsl.Cached()
    MethodParameters:
           Name  Flags
      idx        
      exception  
}
SourceFile: "LLVMArgumentBuffer.java"
NestHost: com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer
InnerClasses:
  public abstract CompilationFinal = com.oracle.truffle.api.CompilerDirectives$CompilationFinal of com.oracle.truffle.api.CompilerDirectives
  final LLVMArgumentArray = com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer$LLVMArgumentArray of com.oracle.truffle.llvm.runtime.LLVMArgumentBuffer
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportLibrary(value = Lcom/oracle/truffle/api/interop/InteropLibrary;)