import { NodeDefinition, NodeLike, StatelessGraphNode, StatelessNodeDefinition, StatelessNodeType } from '../../types/graph';
/**
 * An instance of the [[round]] node.
 * See the [[round]] documentation to find out more.
 */
export interface RoundNode extends StatelessGraphNode<'round', RoundNodeProperties> {
}
/**
 * A definition of the [[round]] node.
 * See the [[round]] documentation to find out more.
 */
export interface RoundNodeDefinition extends StatelessNodeDefinition<'round', RoundNodeProperties> {
}
export interface RoundNodeProperties {
    target: NodeDefinition;
}
/**
 * The implementation of the [[round]] node.
 * See the [[round]] documentation to learn more.
 */
export declare const RoundNodeType: StatelessNodeType<'round', RoundNodeProperties>;
/**
 * Creates a new instance of a [[round]] node, which is a type of a [[NodeDefinition]] used when rounding a number
 * to the nearest integer. It works in the same way as the `Math.round` from JavaScript.
 * @returns {RoundNodeDefinition}
 *
 *
 * @example **Round the value**
 * ```js
 * import muster, { round, ref } from '@dws/muster';
 *
 * const app = muster({
 *   fivePointThree: 5.3,
 *   fivePointSeven: 5.7,
 * });
 *
 * await app.resolve(round(5));
 * // === 5
 *
 * await app.resolve(round(5.2));
 * // === 5
 *
 * await app.resolve(round(5.6));
 * // === 6
 *
 * await app.resolve(round(ref('fivePointThree')));
 * // === 5
 *
 * await app.resolve(round(ref('fivePointSeven')));
 * // === 6
 * ```
 */
export declare function round(target: NodeLike): RoundNodeDefinition;
export declare function isRoundNodeDefinition(value: NodeDefinition): value is RoundNodeDefinition;