Variable PG

PG: {
    Query: ((query: string, args: any[], cb: ((rows: any[], rowCount: number, error: string | undefined) => void)) => void);
    QuerySync: ((query: string, args: any[]) => [rows: any[], rowCount: number, error: string | undefined]);
    Ready: ((cb: ((err: string | null) => void)) => void);
    ReadySync: (() => string | null);
}