import { NodeDefinition, NodeLike } from '../../types/graph';
import { RootAndPath } from '../../utils/ref';
import { UpdateNodeDefinition } from '../graph/update';
/**
 * Create a node that decrements a numeric variable
 *
 * @example **Increment a variable value**
 * ```ts
 * import muster, { decrement, ref, variable } from '@dws/muster';
 *
 * const app = muster({
 *   counter: variable(3),
 * });
 *
 * app.resolve(ref('counter')).subscribe((counter) => {
 *   console.log(counter);
 * });
 *
 * await app.resolve(decrement('counter'));
 * await app.resolve(decrement('counter'));
 *
 * // Console output:
 * // 3
 * // 2
 * // 1
 * @returns {UpdateNodeDefinition}
 */
export declare function decrement(rootAndPath: RootAndPath): UpdateNodeDefinition;
export declare function decrement(path: NodeLike | Array<NodeLike>): UpdateNodeDefinition;
export declare function decrement(target: NodeDefinition): UpdateNodeDefinition;
export declare function decrement(root: NodeDefinition, path: NodeLike | Array<NodeLike>): UpdateNodeDefinition;