/// <reference path="../../pxtlib.d.ts" />
import * as Blockly from "blockly";
import { FieldCustom, FieldCustomOptions } from "./field_utils";
export declare class BaseFieldToggle extends Blockly.FieldNumber implements FieldCustom {
    protected trueText: string;
    protected falseText: string;
    isFieldCustom_: boolean;
    private params;
    private state_;
    private checkElement_;
    private toggleThumb_;
    CURSOR: string;
    private type_;
    constructor(state: string, params: FieldCustomOptions, trueText: string, falseText: string, opt_validator?: Blockly.FieldValidator);
    initView(): void;
    getDisplayText_(): string;
    getTrueText(): string;
    getFalseText(): string;
    getFieldDescription(): string;
    updateSize_(): void;
    getInnerWidth(): number;
    getMaxLength(): number;
    getOutputShape(): number;
    doClassValidation_(newBool: any): any;
    applyColour(): void;
    /**
     * Return 'TRUE' if the toggle is ON, 'FALSE' otherwise.
     * @return {string} Current state.
     */
    getValue(): string;
    /**
     * Set the checkbox to be checked if newBool is 'TRUE' or true,
     * unchecks otherwise.
     * @param {string|boolean} newBool New state.
     */
    doValueUpdate_(newBool: string): void;
    switchToggle(newState: boolean): void;
    render_(): void;
    /**
     * Toggle the state of the toggle.
     * @private
     */
    showEditor_(): void;
    private toVal;
    private fromVal;
}
export declare class FieldToggle extends BaseFieldToggle {
    constructor(state: string, params: FieldCustomOptions, opt_validator?: Blockly.FieldValidator);
}