import { SearchInput, SearchResult } from '@subit/common/lib/generated-types';
import { ID } from '@subit/common/lib/shared-types';
import { RequestContext } from '../../../api/common/request-context';
import { TransactionalConnection } from '../../../service/transaction/transactional-connection';
import { SearchStrategy } from './search-strategy';
/**
 * A weighted fulltext search for MySQL / MariaDB.
 */
export declare class MysqlSearchStrategy implements SearchStrategy {
    private connection;
    private readonly minTermLength;
    constructor(connection: TransactionalConnection);
    getFacetValueIds(ctx: RequestContext, input: SearchInput, enabledOnly: boolean): Promise<Map<ID, number>>;
    getSearchResults(ctx: RequestContext, input: SearchInput, enabledOnly: boolean): Promise<SearchResult[]>;
    getTotalCount(ctx: RequestContext, input: SearchInput, enabledOnly: boolean): Promise<number>;
    private applyTermAndFilters;
    /**
     * When a select statement includes a GROUP BY clause,
     * then all selected columns must be aggregated. So we just apply the
     * "MIN" function in this case to all other columns than the productId.
     */
    private createMysqlSelect;
}