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();
            }
        }
    }

    @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;
            }

     */

    @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) {

    replacement = other;
  }

  @SuppressWarnings("unchecked")
  @Override
  public void visitBlockStatement(BlockStatement stat) {
    replaceAll(stat.getStatements());
  }

  @Override
  public void visitForLoop(ForStatement stat) {
    stat.getCollectionExpression().visit(this);
    stat.setLoopBlock(replace(stat.getLoopBlock()));
  }

  @Override

        }
    }

    @Override
    public void visitBlockStatement(BlockStatement block) {
        block.setNodeMetaData(AST_NODE_METADATA_KEY, true);

        for (Statement statement : block.getStatements()) {
            statement.visit(this);
        }
    }

    @Override
    public void visitExpressionStatement(ExpressionStatement statement) {
        statement.getExpression().visit(this);
    }

                    break;
                default:
                    result.append(ch);
            }
        }
        return result.toString();
    }

    public String getStatement() {
        if (value.isEmpty()) {
            return "";
        } else {
            return value + getPlatformLineSeparator();
        }
    }

    public String getJavaStatement() {