/** @license
 *  Copyright 2016 - present The Material Motion Authors. All Rights Reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may not
 *  use this file except in compliance with the License. You may obtain a copy
 *  of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 *  License for the specific language governing permissions and limitations
 *  under the License.
 */
import { ThresholdRegion } from '../enums';
import { Constructor, MotionReactiveMappable, Observable, ObservableWithMotionOperators } from '../types';
import { _ReactiveMapOptions } from './foundation/_reactiveMap';
export declare type ThresholdLimit = number | Observable<number>;
export declare type ThresholdArgs = _ReactiveMapOptions & {
    limit$: ThresholdLimit;
};
export interface MotionThresholdable {
    threshold(kwargs: ThresholdArgs): ObservableWithMotionOperators<ThresholdRegion>;
    threshold(limit$: ThresholdLimit): ObservableWithMotionOperators<ThresholdRegion>;
}
export declare function withThreshold<T, S extends Constructor<MotionReactiveMappable<T>>>(superclass: S): S & Constructor<MotionThresholdable>;