import { DBConnection } from "../DBConnection";
import QueryMapper from "../QueryMapper";
import { Pool, PoolConnection } from "mysql2/promise";
export default class MysqlDBConnection implements DBConnection {
    pool: Pool;
    conn: PoolConnection | undefined;
    mapper: QueryMapper;
    formatOption: any;
    constructor(pool: Pool);
    connect(): Promise<PoolConnection>;
    selectNumber(queryId: string, param?: any, dynamicCondition?: any): Promise<number>;
    selectString(queryId: string, param?: any, dynamicCondition?: any): Promise<string>;
    row<T>(queryId: string, param?: any, dynamicCondition?: any): Promise<any>;
    query<T>(queryId: string, param?: any, dynamicCondition?: any): Promise<T>;
    release(): void;
    beginTransaction(): Promise<void>;
    commit(): Promise<void>;
    rollback(): Promise<void>;
}
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