/// <reference path="../../pxtlib.d.ts" />
import * as Blockly from "blockly";
/**
 * Subclass of FieldVariable to filter out the "delete" option when
 * variables are part of a function argument (or else the whole function
 * gets deleted).
*/
export declare class FieldArgumentVariable extends Blockly.FieldVariable {
    constructor(varName: string);
    generateMenu(): any;
}