core/OperationBuilder.js
function begin(name, bypass) {
        _currentOperation = _getBase(name);
        if (bypass === true) {
            _currentOperation.bypass = true;
        }
    }
function begin(name, bypass) {
        _currentOperation = _getBase(name);
        if (bypass === true) {
            _currentOperation.bypass = true;
        }
    }
function begin ( name , bypass ) { _currentOperation = _getBase ( name ) ; if ( bypass === true ) { _currentOperation . bypass = true ; } }
Begin to make an operation.

@param {string} opName Operation name
Begin to make an operation .