import type { TimeValue, Timeframe } from '../../../core/types/time.js';
/**
 * Check if a date is a given min or max. Returns false if both min and max are missing.
 * @internal
 */
export declare function dateIsMinMax(date?: TimeValue | null, min?: string, max?: string): boolean;
/**
 * Check if the date value is larger than the max value.
 * Returns false if the max or value are not defined.
 * @internal
 */
export declare function isBiggerThan(candidate?: string, threshold?: string): boolean;
/**
 * Check if the date value is smaller than the min value.
 * Returns false if the value or min are not defined.
 * @internal
 */
export declare function isSmallerThan(candidate?: string, threshold?: string): boolean;
/**
 * Check if the value is outside the min - max range.
 * Returns false if the value is not defined, it the from or to values are undefined, or if min and max are both missing.
 * @internal
 */
export declare function isOutsideRange(value?: {
    /** Start of the time frame. */
    from: string | null | TimeValue;
    /** End of the time frame. */
    to: string | null | TimeValue;
} | null, min?: string, max?: string): boolean;
/**
 * Type guard function that will check if the value is a Timeframe or from and to String.
 * @internal
 */
export declare function isTimeframeOrFromToString(date: {
    from: string | TimeValue | null;
    to: string | TimeValue | null;
} | null): date is {
    from: string;
    to: string;
} | Timeframe;