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import { Driver } from "./Driver";
/**
* Common driver utility functions.
*/
export declare class DriverUtils {
/**
* Returns true if given driver is SQLite-based driver.
*/
static isSQLiteFamily(driver: Driver): boolean;
/**
* Returns true if given driver is MySQL-based driver.
*/
static isMySQLFamily(driver: Driver): boolean;
static isReleaseVersionOrGreater(driver: Driver, version: string): boolean;
static isPostgresFamily(driver: Driver): boolean;
/**
* Normalizes and builds a new driver options.
* Extracts settings from connection url and sets to a new options object.
*/
static buildDriverOptions(options: any, buildOptions?: {
useSid: boolean;
}): any;
/**
* buildDriverOptions for MongodDB only to support replica set
*/
static buildMongoDBDriverOptions(options: any, buildOptions?: {
useSid: boolean;
}): any;
/**
* Joins and shortens alias if needed.
*
* If the alias length is greater than the limit allowed by the current
* driver, replaces it with a shortend string, if the shortend string
* is still too long, it will then hash the alias.
*
* @param driver Current `Driver`.
* @param buildOptions Optional settings.
* @param alias Alias parts.
*
* @return An alias that is no longer than the divers max alias length.
*/
static buildAlias({ maxAliasLength }: Driver, buildOptions: {
shorten?: boolean;
joiner?: string;
} | undefined, ...alias: string[]): string;
/**
* @deprecated use `buildAlias` instead.
*/
static buildColumnAlias({ maxAliasLength }: Driver, buildOptions: {
shorten?: boolean;
joiner?: string;
} | string, ...alias: string[]): string;
/**
* Extracts connection data from the connection url.
*/
private static parseConnectionUrl;
/**
* Extracts connection data from the connection url for MongoDB to support replica set.
*/
private static parseMongoDBConnectionUrl;
}