/// <reference path="../../pxtlib.d.ts" />
import * as Blockly from "blockly";
import { FieldCustom } from "./field_utils";
export declare class FieldTsExpression extends Blockly.FieldTextInput implements FieldCustom {
    isFieldCustom_: boolean;
    protected pythonMode: boolean;
    /**
     * Same as parent, but adds a different class to text when disabled
     */
    updateEditable(): void;
    setPythonEnabled(enabled: boolean): void;
    getText(): string;
    getFieldDescription(): string;
    applyColour(): void;
}