import { QueryInclusion, QueryResultCardinality, RefShorthand, RefSubquery, RelationSubquery } from './types.js';
export declare function isQueryInclusionSubquery(inclusion: QueryInclusion): inclusion is RelationSubquery;
export declare function isQueryInclusionShorthand(inclusion: QueryInclusion): inclusion is RefShorthand;
export declare function isQueryInclusionReference(inclusion: QueryInclusion): inclusion is RefSubquery;
export declare function isQueryResultCardinality(cardinality: string): cardinality is QueryResultCardinality;