/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { InjectionToken } from '@angular/core';
import { RippleGlobalOptions } from '@angular/material/core';
/**
 * Thumb types: range slider has two thumbs (START, END) whereas single point
 * slider only has one thumb (END).
 */
export declare const enum _MatThumb {
    START = 1,
    END = 2
}
/**
 * Injection token that can be used to query for a `MatSliderThumb`.
 * Used primarily to avoid circular imports.
 * @docs-private
 */
export declare const MAT_SLIDER_THUMB: InjectionToken<{}>;
/**
 * Represents a drag event emitted by the MatSlider component.
 * @ignore
 */
export interface MatSliderDragEvent {
    /** The MatSliderThumb that was interacted with. */
    source: _MatSliderThumb;
    /** The MatSlider that was interacted with. */
    parent: _MatSlider;
    /** The current value of the slider. */
    value: number;
}
/** @ignore */
export interface _MatSlider {
    /** Gets the slider thumb input of the given thumb position. */
    _getInput(thumbPosition: _MatThumb): _MatSliderThumb | undefined;
    /** The minimum value that the slider can have. */
    min: number;
    /** The maximum value that the slider can have. */
    max: number;
    /** The amount that slider values can increment or decrement by. */
    step: number;
    /** Whether the slider is disabled. */
    disabled: boolean;
    /** Whether the slider is a range slider. */
    _isRange: boolean;
    /** Whether the slider is rtl. */
    _isRtl: boolean;
    /** The stored width of the host element's bounding client rect. */
    _cachedWidth: number;
    /** The stored width of the host element's bounding client rect. */
    _cachedLeft: number;
    /**
     * The padding of the native slider input. This is added in order to make the region where the
     * thumb ripple extends past the end of the slider track clickable.
     */
    _inputPadding: number;
    /**
     * The offset represents left most translateX of the slider knob. Inversely,
     * (slider width - offset) = the right most translateX of the slider knob.
     *
     * Note:
     *    * The native slider knob differs from the visual slider. It's knob cannot slide past
     *      the end of the track AT ALL.
     *    * The visual slider knob CAN slide past the end of the track slightly. It's knob can slide
     *      past the end of the track such that it's center lines up with the end of the track.
     */
    _inputOffset: number;
    /** The radius of the visual slider's ripple. */
    _rippleRadius: number;
    /** The global configuration for `matRipple` instances. */
    readonly _globalRippleOptions?: RippleGlobalOptions;
    /** Whether animations have been disabled. */
    _noopAnimations: boolean;
    /** Whether or not the slider should use animations. */
    _hasAnimation: boolean;
    /** Triggers UI updates that are needed after a slider input value has changed. */
    _onValueChange: (source: _MatSliderThumb) => void;
    /** Triggers UI updates that are needed after the slider thumb position has changed. */
    _onTranslateXChange: (source: _MatSliderThumb) => void;
    /** Updates the stored slider dimensions using the current bounding client rect. */
    _updateDimensions: () => void;
    /** Used to set the transition duration for thumb and track animations. */
    _setTransition: (withAnimation: boolean) => void;
}
/** @ignore */
export interface _MatSliderThumb {
    /** The minimum value that the slider can have. */
    min: number;
    /** The maximum value that the slider can have. */
    max: number;
    /** The amount that slider values can increment or decrement by. */
    step: number;
    /** The current value of this slider input. */
    value: number;
    /** The current translateX in px of the slider visual thumb. */
    translateX: number;
    /** Indicates whether this thumb is the start or end thumb. */
    thumbPosition: _MatThumb;
    /** Similar to percentage but calcualted using translateX relative to the total track width. */
    fillPercentage: number;
    /** Whether the slider is disabled. */
    disabled: boolean;
    /** The host native HTML input element. */
    _hostElement: HTMLInputElement;
    /** Whether the input is currently focused (either by tab or after clicking). */
    _isFocused: boolean;
    /** The aria-valuetext string representation of the input's value. */
    _valuetext: string;
    /**
     * Indicates whether UI updates should be skipped.
     *
     * This flag is used to avoid flickering
     * when correcting values on pointer up/down.
     */
    _skipUIUpdate: boolean;
    /** Handles the initialization of properties for the slider input. */
    initProps: () => void;
    /** Handles UI initialization controlled by this slider input. */
    initUI: () => void;
    /** Calculates the visual thumb's translateX based on the slider input's current value. */
    _calcTranslateXByValue: () => number;
    /** Updates the visual thumb based on the slider input's current value. */
    _updateThumbUIByValue: () => void;
    /**
     * Sets the slider input to disproportionate dimensions to allow for touch
     * events to be captured on touch devices.
     */
    _updateWidthInactive: () => void;
    /**
     * Used to set the slider width to the correct
     * dimensions while the user is dragging.
     */
    _updateWidthActive: () => void;
}