export declare function addToQuery(query: [] | undefined | [string, ...any[]], type: "AND" | "OR" | undefined, additional: string, ...args: any[]): [string, ...any[]];
export declare function and(query: [] | undefined | [string, ...any[]], additional: string, ...args: any[]): [string, ...any[]];
export declare function isNull(field: string): string;
export declare function isIn(field: string): string;