export declare function convertDate(val: any): Date;
export declare function convertNullableDate(val: any): Date | null;
export declare function convertBool(val: any): boolean;
export declare function convertNullableBool(val: any): boolean | null;
export declare function convertList<T>(val: any, conv?: (val: any) => T): T[];
export declare function convertNullableList<T>(val: any, conv?: (val: any) => T): T[] | null;
export declare function convertDateList(val: any): Date[];
export declare function convertNullableDateList(val: any): Date[] | null;
export declare function convertBoolList(val: any): boolean[];
export declare function convertNullableBoolList(val: any): boolean[] | null;