import Database from './database';
export declare function md5(value: string): string;
export declare function checkIdentifier(value: string): void;
export declare function getTableName(collectionName: string, options: any): any;
export declare function snakeCase(name: string): any;
export declare function patchSequelizeQueryInterface(db: Database): void;
export declare function percent2float(value: string): number;