import { PkSchema, ReducerData, Entity, PkSchemaFields, PkSchemaEdges } from '../types/reducers.types';
/**
 * Convert entity array into a normalized entities object.
 *
 * @param {PkSchema} pkSchema - PK schema of reducer's entities
 * @param {Entity[]} entityArray - Entity array
 * @returns {ReducerData} Normalized entities object
 */
export declare function normalizeEntityArrayByPk<EntityT extends Entity, PkSchemaT extends PkSchema<EntityT, PkSchemaFields<EntityT>, PkSchemaEdges<EntityT>>>(pkSchema: PkSchemaT, entityArray: EntityT[]): ReducerData<EntityT>;