import { type ActionHandler, type UpdateVariableImpl } from '../types/core';
/**
 * Constant to replace with the input value.
 */
export declare const INPUT = "__dara_input__";
/**
 * Constant to signify the actions hould negate the previous variable value.
 */
export declare const TOGGLE = "__dara_toggle__";
/**
 * Front-end handler for UpdateVariable action.
 */
declare const UpdateVariable: ActionHandler<UpdateVariableImpl>;
export default UpdateVariable;
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