import { DataObject, Model } from '@loopback/repository';
import { SearchQuery } from '../../models';
import { ColumnMap } from '../../types';
import { SearchQueryBuilder } from '../base';
export declare class MySqlQueryBuilder<T extends Model> extends SearchQueryBuilder<T> {
    unionString: string;
    _placeholderIndex: number;
    constructor(query: DataObject<SearchQuery>);
    search(model: typeof Model, columns: Array<keyof T> | ColumnMap<T>, ignoredColumns: (keyof T)[]): void;
    paramString(index: number): string;
    getModelName(model: typeof Model): any;
}