import { NodeDefinition, StatelessGraphNode, StatelessNodeDefinition, StatelessNodeType } from '../../types/graph';
/**
 * An instance of the [[isUpdating]] node.
 * See the [[isUpdating]] documentation to find out more.
 */
export interface IsUpdatingNode extends StatelessGraphNode<'isUpdating', IsUpdatingNodeProperties> {
}
/**
 * A definition of the [[isUpdating]] node.
 * See the [[isUpdating]] documentation to find out more.
 */
export interface IsUpdatingNodeDefinition extends StatelessNodeDefinition<'isUpdating', IsUpdatingNodeProperties> {
}
export interface IsUpdatingNodeProperties {
    target: NodeDefinition;
}
/**
 * The implementation of the [[isUpdating]] node.
 * See the [[isUpdating]] documentation to learn more.
 */
export declare const IsUpdatingNodeType: StatelessNodeType<'isUpdating', IsUpdatingNodeProperties>;
/**
 * Creates an instance of the [[isUpdating]] node, which is used for checking if a node is updating
 * its value. For static nodes this always returns false, and for [[optimistic]] node it checks
 * if the value is returned optimistically.
 */
export declare function isUpdating(target: NodeDefinition): IsUpdatingNodeDefinition;
export declare function isIsUpdatingNodeDefinition(isUpdating: NodeDefinition): isUpdating is IsUpdatingNodeDefinition;