import { InjectionToken } from '@angular/core';
import { MatTimePeriodType } from '../time-period';
/** InjectionToken for timepicker that can be used to override default locale code. */
export declare const MAT_TIME_LOCALE: InjectionToken<string>;
export declare function MAT_DATE_TIME_LOCALE_FACTORY(): string;
/**
 * No longer needed since MAT_TIME_LOCALE has been changed to a scoped injectable.
 * If you are importing and providing this in your code you can simply remove it.
 * @deprecated
 * @breaking-change 18.0.0
 */
export declare const MAT_TIME_LOCALE_PROVIDER: {
    provide: InjectionToken<string>;
    useExisting: InjectionToken<string>;
};
export declare abstract class TimeAdapter<T, L = any> {
    /** The locale to use for time. */
    protected locale: L;
    /**
     * Gets now's time.
     * @returns Now's time.
     */
    abstract now(): T;
    /**
     * Parses a time from a user-provided value.
     * @param value The value to parse.
     * @param parseFormat The expected format of the value being parsed
     *     (type is implementation-dependent).
     * @returns The parsed time.
     */
    abstract parse(value: any, parseFormat: any): T | null;
    /**
     * Gets the hour component of the given time.
     * @param time The time to extract the hour from.
     * @returns The hour component.
     */
    abstract getHour(time: T): number;
    /**
     * Gets the minute component of the given time.
     * @param time The time to extract the minute from.
     * @returns The minute component.
     */
    abstract getMinute(time: T): number;
    /**
     * Update the hour component of the given time.
     * @param time The time to update the hour.
     * @param hour The new hour to update given time.
     * @returns The new time with updated hour component.
     */
    abstract updateHour(time: T, hour: number): T;
    /**
     * Update the minute component of the given time.
     * @param time The time to update the minute.
     * @param minute The new minute to update given time.
     * @returns The new time with updated minute component.
     */
    abstract updateMinute(time: T, minute: number): T;
    /**
     * Gets the period component of the given time.
     * @param time The time to extract the period from.
     * @returns The period component.
     */
    abstract getPeriod(time: T): MatTimePeriodType;
    /**
     * Formats a time as a string according to the given format.
     * @param time The value to format.
     * @param displayFormat The format to use to display the time as a string.
     * @returns The formatted time string.
     */
    abstract format(time: T, displayFormat: any): string;
    /**
     * Checks whether the given object is considered a time instance by this timeAdapter.
     * @param obj The object to check
     * @returns Whether the object is a time instance.
     */
    abstract isTimeInstance(obj: any): boolean;
    /**
     * Checks whether the given time is valid.
     * @param time The time to check.
     * @returns Whether the time is valid.
     */
    abstract isValid(time: T): boolean;
    /**
     * Gets time instance that is not valid.
     * @returns An invalid time.
     */
    abstract invalid(): T;
    /**
     * Given a potential time object, returns that same time object if it is
     * a valid time, or `null` if it's not a valid time.
     * @param obj The object to check.
     * @returns A time or `null`.
     */
    getValidTimeOrNull(obj: unknown): T | null;
    /**
     * Attempts to deserialize a value to a valid time object. The `<mat-timepicker>` will call this
     * method on all of its `@Input()` properties that accept time. It is therefore possible to
     * support passing values from your backend directly to these properties by overriding this method
     * to also deserialize the format used by your backend.
     * @param value The value to be deserialized into a time object.
     * @returns The deserialized time object, either a valid time, null if the value can be
     *     deserialized into a null time (e.g. the empty string), or an invalid date.
     */
    deserialize(value: any): T | null;
    /**
     * Sets the locale used for all time.
     * @param locale The new locale.
     */
    setLocale(locale: L): void;
    /**
     * Compares two time.
     * @param first The first time to compare.
     * @param second The second time to compare.
     * @returns 0 if the time are equal, a number less than 0 if the first time is earlier,
     *     a number greater than 0 if the first time is later.
     */
    abstract compareTime(first: T, second: T): number;
    /**
     * Checks if two time are equal.
     * @param first The first time to check.
     * @param second The second time to check.
     * @returns Whether the two time are equal.
     *     Null time are considered equal to other null time.
     */
    sameTime(first: T | null, second: T | null): boolean;
    /**
     * Clamp the given time between min and max time.
     * @param time The time to clamp.
     * @param min The minimum value to allow. If null or omitted no min is enforced.
     * @param max The maximum value to allow. If null or omitted no max is enforced.
     * @returns `min` if `time` is less than `min`, `max` if time is greater than `max`,
     *     otherwise `time`.
     */
    clampTime(time: T, min?: T | null, max?: T | null): T;
}