export declare function isMaybePotentiallyUnsafeNumberString(mixed: any): mixed is null | undefined | (string);
export declare function isMaybeFiniteNumberString(mixed: any): mixed is null | undefined | (string);
export declare function isMaybeIntegerString(mixed: any): mixed is null | undefined | (string);
export declare function isMaybeGreaterThanString(mixed: any, x: number): mixed is null | undefined | (string);
export declare function isMaybeGreaterThanOrEqualString(mixed: any, x: number): mixed is null | undefined | (string);
export declare function isMaybeLessThanString(mixed: any, x: number): mixed is null | undefined | (string);
export declare function isMaybeLessThanOrEqualString(mixed: any, x: number): mixed is null | undefined | (string);
export declare function isMaybeRangeString(mixed: any, args: {
    min?: number;
    max?: number;
}): mixed is null | undefined | (string);
export declare function isMaybePositiveString(mixed: any): mixed is null | undefined | (string);
export declare function isMaybeNegativeString(mixed: any): mixed is null | undefined | (string);
export declare function isMaybeNonNegativeString(mixed: any): mixed is null | undefined | (string);
export declare function isMaybeNaturalNumberString(mixed: any): mixed is null | undefined | (string);
export declare function isMaybeOddString(mixed: any): mixed is null | undefined | (string);
export declare function isMaybeEvenString(mixed: any): mixed is null | undefined | (string);
export declare function isMaybeNotOneOfString<T extends number>(mixed: any, arr: T[]): mixed is null | undefined | (string);
export declare function isMaybeLatitudeString(mixed: any): mixed is null | undefined | (string);
export declare function isMaybeLongitudeString(mixed: any): mixed is null | undefined | (string);