function getVariableOfArguments(scope){var variables=scope.variables;for(var i=0;i<variables.length;++i){var variable=variables[i];if(variable.name==="arguments"){/*
             * If there was a parameter which is named "arguments", the
             * implicit "arguments" is not defined.
             * So does fast return with null.
             */return variable.identifiers.length===0?variable:null;}}/* istanbul ignore next */return null;}
Gets the variable object of `arguments` which is defined implicitly.
@param {escope.Scope} scope - A scope to get.
@returns {escope.Variable} The found variable object.