return false;
  }
  // Consider CastOp illegal if either of its Src/Dst type is qint and is
  // connected to a non-UQ op.
  if (IsIllegalType(cast_op.getSrcT()) &&
      !(cast_op.getX().getDefiningOp() &&
        IsTFUniformQuantizedOp(cast_op.getX().getDefiningOp()))) {
    return false;
  }
  if (IsIllegalType(cast_op.getDstT()) &&

  using OpConversionPattern::OpConversionPattern;

  LogicalResult matchAndRewrite(
      TF::CastOp op, TF::CastOpAdaptor adaptor,
      ConversionPatternRewriter &rewriter) const override {
    Type output_type = op.getDstT();
    if (!IsTFQintType(output_type) && !IsTFQintType(op.getSrcT())) {
      // skip CastOps with no qint types.
      return failure();
    }
    Value input = adaptor.getX();

        // Consider cast compatibility in case
        //    %cast = "tf.Cast"(%0) : (tensor<2xi64>) -> tensor<2xf32>
        // is skipped.
        if (cast_op.getSrcT() != cast_op.getDstT()) {
          break;
        }
        value = cast_op.getOperand();
      }
      return value;
    };
    Value first_arg = get_defining_op(std::get<0>(it));

                    value.removeIf(i -> i.getAlias().equals(importedClass.getAlias()));
                } catch (Exception e) {
                    throw UncheckedException.throwAsUncheckedException(e);
                }
            }
        }

        iter = source.getAST().getStaticImports().values().iterator();
        while (iter.hasNext()) {

        source.getAST().getStatementBlock().visit(transformer);
        for (Object method : source.getAST().getMethods()) {
            MethodNode methodNode = (MethodNode) method;
            methodNode.getCode().visit(transformer);
        }
    }

    public static ClassNode getScriptClass(SourceUnit source) {

    protected int getPhase() {
        return Phases.CONVERSION;
    }

    @Override
    public void call(SourceUnit source) throws CompilationFailedException {
        ListIterator<Statement> iterator = source.getAST().getStatementBlock().getStatements().listIterator();
        while (iterator.hasNext()) {
            if (spec.isSatisfiedBy(iterator.next())) {
                iterator.remove();
            }
        }
    }

        return imperativeStatementDetected;
    }

    @Override
    public void call(SourceUnit source) throws CompilationFailedException {
        BlockStatement statementBlock = source.getAST().getStatementBlock();
        List<Statement> statements = statementBlock.getStatements();
        for (Statement statement : statements) {
            if (!AstUtils.mayHaveAnEffect(statement)) {
                continue;

	r.mu.Lock()
	defer r.mu.Unlock()
	getDst := func(n int) []byte {
		if cap(dst) < n {
			return make([]byte, n)
		}
		return dst[:n]
	}

	if r.w == r.r {
		if r.isFull {
			buf := getDst(r.size)
			copy(buf, r.buf[r.r:])
			copy(buf[r.size-r.r:], r.buf[:r.w])
			return buf
		}
		return nil
	}

	if r.w > r.r {
		buf := getDst(r.w - r.r)
		copy(buf, r.buf[r.r:r.w])

     */

    @Override
    public void call(SourceUnit source) throws CompilationFailedException {
        List<Statement> statements = source.getAST().getStatementBlock().getStatements();
        for (Statement statement : statements) {
            ScriptBlock scriptBlock = AstUtils.detectScriptBlock(statement, SCRIPT_BLOCK_NAMES);
            if (scriptBlock == null) {

            hasPackageStatement = source.getAST().getPackageName() != null;
        }
    }

    private static class EmptyScriptDetector extends CompilationUnit.SourceUnitOperation {
        private boolean emptyScript;
        private boolean hasMethods;

        @Override
        public void call(SourceUnit source) {
            if (!source.getAST().getMethods().isEmpty()) {
                hasMethods = true;