import { GraphOperation, NodeDefinition, StaticGraphNode, StaticNodeDefinition, StaticNodeType } from '../../types/graph';
import { QuerySetChild } from './query-set';
export interface QuerySetOperationNode extends StaticGraphNode<'query-set-operation', QuerySetOperationNodeProperties> {
}
export interface QuerySetOperationNodeDefinition extends StaticNodeDefinition<'query-set-operation', QuerySetOperationNodeProperties> {
}
export interface QuerySetOperationNodeProperties {
    children?: Array<QuerySetChild>;
    operation: GraphOperation;
}
export declare const QuerySetOperationNodeType: StaticNodeType<'query-set-operation', QuerySetOperationNodeProperties>;
export declare function querySetOperation(operation: GraphOperation, children?: Array<QuerySetChild>): QuerySetOperationNodeDefinition;
export declare function isQuerySetOperationNodeDefinition(value: NodeDefinition): value is QuerySetOperationNodeDefinition;