import { Knex } from 'knex';
export declare function connect(conn: Record<string, string>): Promise<Knex<any, unknown[]>>;
export declare function disconnect(knex_conn: Knex): Promise<boolean>;
export declare function quoteIdentifier(knex_conn: Knex, what: string): string;
export declare function formatValue(v: string | number | boolean | null): string;
export declare function disconnectAll(): Promise<void>;
export declare function connectCheck(connection: Record<string, string>): Promise<Knex<any, unknown[]>>;
export declare function getClientType(ci: Record<string, string> | Knex): string;
import { Dict } from "./utils";
export declare function slurpSchema(conn: Knex, xti?: Dict<any>, includes?: (string | RegExp)[], excludes?: (string | RegExp)[]): Promise<Record<string, any>>;
export declare function modifySchema(conn: Knex, delta: Dict<any>, state: Dict<any>, xtra_type_info?: Dict<any>, to_sql?: boolean | "debug"): Promise<Dict<any> | string>;