import { NodeLike } from '../../types';
import { NodeDefinition, StatelessGraphNode, StatelessNodeDefinition, StatelessNodeType } from '../../types/graph';
import { RootAndPath } from '../../utils/ref';
/**
 * An instance of the [[update]] node.
 * See the [[update]] documentation to find out more.
 */
export interface UpdateNode extends StatelessGraphNode<'update', UpdateNodeProperties> {
}
/**
 * A definition of the [[update]] node.
 * See the [[update]] documentation to find out more.
 */
export interface UpdateNodeDefinition extends StatelessNodeDefinition<'update', UpdateNodeProperties> {
}
export interface UpdateNodeProperties {
    target: NodeDefinition;
    updater: NodeDefinition;
}
/**
 * The implementation of the [[update]] node.
 * See the [[update]] documentation to learn more.
 */
export declare const UpdateNodeType: StatelessNodeType<'update', UpdateNodeProperties>;
export declare function update(rootAndPath: RootAndPath, updater: NodeLike): UpdateNodeDefinition;
export declare function update(path: NodeLike | Array<NodeLike>, updater: NodeLike): UpdateNodeDefinition;
export declare function update(target: NodeDefinition, updater: NodeLike): UpdateNodeDefinition;
export declare function update(root: NodeDefinition, path: NodeLike | Array<NodeLike>, updater: NodeLike): UpdateNodeDefinition;
export declare function isUpdateNodeDefinition(value: NodeDefinition): value is UpdateNodeDefinition;