https://www.graalvm.org/ 
public abstract class com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode extends com.oracle.truffle.js.nodes.JavaScriptBaseNode
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode
  super_class: com.oracle.truffle.js.nodes.JavaScriptBaseNode
{
  protected final com.oracle.truffle.js.runtime.JSContext context;
    descriptor: Lcom/oracle/truffle/js/runtime/JSContext;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  protected final boolean strict;
    descriptor: Z
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  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 61
            ldc Lcom/oracle/truffle/js/nodes/array/JSArrayDeleteIndexNode;
            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.js.nodes.array.JSArrayDeleteIndexNode.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>(com.oracle.truffle.js.runtime.JSContext, boolean);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSContext;Z)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode this
        start local 1 // com.oracle.truffle.js.runtime.JSContext context
        start local 2 // boolean strict
         0: .line 66
            aload 0 /* this */
            invokespecial com.oracle.truffle.js.nodes.JavaScriptBaseNode.<init>:()V
         1: .line 67
            aload 0 /* this */
            aload 1 /* context */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.truffle.js.runtime.JSContext
            putfield com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode.context:Lcom/oracle/truffle/js/runtime/JSContext;
         2: .line 68
            aload 0 /* this */
            iload 2 /* strict */
            putfield com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode.strict:Z
         3: .line 69
            return
        end local 2 // boolean strict
        end local 1 // com.oracle.truffle.js.runtime.JSContext context
        end local 0 // com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lcom/oracle/truffle/js/nodes/array/JSArrayDeleteIndexNode;
            0    4     1  context  Lcom/oracle/truffle/js/runtime/JSContext;
            0    4     2   strict  Z
    MethodParameters:
         Name  Flags
      context  
      strict   

  public static com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode create(com.oracle.truffle.js.runtime.JSContext, boolean);
    descriptor: (Lcom/oracle/truffle/js/runtime/JSContext;Z)Lcom/oracle/truffle/js/nodes/array/JSArrayDeleteIndexNode;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
         0: .line 72
            new java.lang.Error
            dup
            ldc "Unresolved compilation problem: \n\tJSArrayDeleteIndexNodeGen cannot be resolved\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    MethodParameters:
         Name  Flags
      context  
      strict   

  public abstract boolean execute(com.oracle.truffle.api.object.DynamicObject, com.oracle.truffle.js.runtime.array.ScriptArray, long);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;Lcom/oracle/truffle/js/runtime/array/ScriptArray;J)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
           Name  Flags
      array      
      arrayType  
      index      

  protected boolean doCached(com.oracle.truffle.api.object.DynamicObject, com.oracle.truffle.js.runtime.array.ScriptArray, long, com.oracle.truffle.js.runtime.array.ScriptArray);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;Lcom/oracle/truffle/js/runtime/array/ScriptArray;JLcom/oracle/truffle/js/runtime/array/ScriptArray;)Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=6, locals=6, args_size=5
        start local 0 // com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode this
        start local 1 // com.oracle.truffle.api.object.DynamicObject array
        start local 2 // com.oracle.truffle.js.runtime.array.ScriptArray arrayType
        start local 3 // long index
        start local 5 // com.oracle.truffle.js.runtime.array.ScriptArray cachedArrayType
         0: .line 80
            getstatic com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode.$assertionsDisabled:Z
            ifne 1
            aload 1 /* array */
            invokestatic com.oracle.truffle.js.runtime.builtins.JSArray.isJSFastArray:(Lcom/oracle/truffle/api/object/DynamicObject;)Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 81
      StackMap locals:
      StackMap stack:
            aload 5 /* cachedArrayType */
            aload 1 /* array */
            lload 3 /* index */
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode.strict:Z
            invokevirtual com.oracle.truffle.js.runtime.array.ScriptArray.canDeleteElement:(Lcom/oracle/truffle/api/object/DynamicObject;JZ)Z
            ifeq 4
         2: .line 82
            aload 1 /* array */
            aload 5 /* cachedArrayType */
            aload 1 /* array */
            lload 3 /* index */
            aload 0 /* this */
            getfield com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode.strict:Z
            invokevirtual com.oracle.truffle.js.runtime.array.ScriptArray.deleteElement:(Lcom/oracle/truffle/api/object/DynamicObject;JZ)Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            invokestatic com.oracle.truffle.js.runtime.builtins.JSAbstractArray.arraySetArrayType:(Lcom/oracle/truffle/api/object/DynamicObject;Lcom/oracle/truffle/js/runtime/array/ScriptArray;)V
         3: .line 83
            iconst_1
            ireturn
         4: .line 85
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 5 // com.oracle.truffle.js.runtime.array.ScriptArray cachedArrayType
        end local 3 // long index
        end local 2 // com.oracle.truffle.js.runtime.array.ScriptArray arrayType
        end local 1 // com.oracle.truffle.api.object.DynamicObject array
        end local 0 // com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    5     0             this  Lcom/oracle/truffle/js/nodes/array/JSArrayDeleteIndexNode;
            0    5     1            array  Lcom/oracle/truffle/api/object/DynamicObject;
            0    5     2        arrayType  Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            0    5     3            index  J
            0    5     5  cachedArrayType  Lcom/oracle/truffle/js/runtime/array/ScriptArray;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization(guards = {"cachedArrayType.isInstance(arrayType)"}, limit = "5")
    RuntimeInvisibleParameterAnnotations: 
      0:
      1:
      2:
      3:
        com.oracle.truffle.api.dsl.Cached(value = "arrayType")
    MethodParameters:
                 Name  Flags
      array            
      arrayType        
      index            
      cachedArrayType  

  protected boolean doUncached(com.oracle.truffle.api.object.DynamicObject, com.oracle.truffle.js.runtime.array.ScriptArray, long);
    descriptor: (Lcom/oracle/truffle/api/object/DynamicObject;Lcom/oracle/truffle/js/runtime/array/ScriptArray;J)Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=6, locals=5, args_size=4
        start local 0 // com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode this
        start local 1 // com.oracle.truffle.api.object.DynamicObject array
        start local 2 // com.oracle.truffle.js.runtime.array.ScriptArray arrayType
        start local 3 // long index
         0: .line 92
            aload 0 /* this */
            aload 1 /* array */
            aload 2 /* arrayType */
            lload 3 /* index */
            aload 2 /* arrayType */
            invokevirtual com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode.doCached:(Lcom/oracle/truffle/api/object/DynamicObject;Lcom/oracle/truffle/js/runtime/array/ScriptArray;JLcom/oracle/truffle/js/runtime/array/ScriptArray;)Z
            ireturn
        end local 3 // long index
        end local 2 // com.oracle.truffle.js.runtime.array.ScriptArray arrayType
        end local 1 // com.oracle.truffle.api.object.DynamicObject array
        end local 0 // com.oracle.truffle.js.nodes.array.JSArrayDeleteIndexNode this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lcom/oracle/truffle/js/nodes/array/JSArrayDeleteIndexNode;
            0    1     1      array  Lcom/oracle/truffle/api/object/DynamicObject;
            0    1     2  arrayType  Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            0    1     3      index  J
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$TruffleBoundary()
      com.oracle.truffle.api.dsl.Specialization(replaces = {"doCached"})
    MethodParameters:
           Name  Flags
      array      
      arrayType  
      index      
}
SourceFile: "JSArrayDeleteIndexNode.java"
InnerClasses:
  public abstract TruffleBoundary = com.oracle.truffle.api.CompilerDirectives$TruffleBoundary of com.oracle.truffle.api.CompilerDirectives