export declare const isNullOrUndefined: <T>(v: T | null | undefined) => v is null | undefined;
export declare const raiseMisconfiguredRequiredFieldErrorIf: (condition: boolean, message: string) => void;
interface S {
    raiseMisconfiguredRequiredFieldErrorIfNullOrUndefined<T>(v: T | undefined, message: string): asserts v is T;
}
export declare const raiseMisconfiguredRequiredFieldErrorIfNullOrUndefined: S['raiseMisconfiguredRequiredFieldErrorIfNullOrUndefined'];
export declare const box: (v: string | undefined) => readonly string[] | undefined;
export declare const emptyObjectToUndefined: <T extends { [k in string]?: unknown; }>(v: T) => T | undefined;
export declare const splitListValueToArray: (input: string) => readonly string[] | undefined;
export declare const emptyStringToUndefined: (v: string | undefined) => string | undefined;
export declare const parseNumberSafe: (v: string | number | undefined) => number | undefined;
export declare const parseDateSafe: (v: string | undefined) => number | undefined;
export declare const smartHash: (value: string | undefined, cleaningFunction?: (value: string) => string) => string | undefined;
export {};
