import { DbSchema } from './dbSchema.js';
import { LabelOrCondition } from './types.js';
export declare function walkCNFTree(incomingLabels: Map<string, Set<string>>, outGoingLabels: Map<string, Set<string>>, labelTree: LabelOrCondition): {
    inLabels: Set<string>;
    outLabels: Set<string>;
};
export declare function getRelsFromNodesSets(dbSchema: DbSchema): {
    toNodes: Map<string, Set<string>>;
    fromNodes: Map<string, Set<string>>;
};
export declare function getNodesFromRelsSet(dbSchema: DbSchema): {
    toRels: Map<string, Set<string>>;
    fromRels: Map<string, Set<string>>;
};
