export declare const SymbolPattern: RegExp;
export declare const NumberPattern: RegExp;
export declare const DatePattern: RegExp;
export declare const DateTimePattern: RegExp;
export declare const DateTimeNoTzPattern: RegExp;
export declare function nvl(v: any, alt: any): any;
export declare function nvl2(v: any, f: (x: any) => any, alt: any): any;