import { RippleRef } from './ripple-ref';
import { RippleTarget } from './Interfaces';
import { RippleConfig } from './Types';
/**
 * Helper service that performs DOM manipulations. Not intended to be used outside this module.
 * The constructor takes a reference to the ripple host element and a map of DOM
 * event handlers to be installed on the element that triggers ripple animations.
 */
export declare class RippleRenderer {
    private _target;
    constructor(_target: RippleTarget, elementRef: HTMLElement, pathElement: any);
    /** Element where the ripples are being added to. */
    private _containerElement;
    /** Element which triggers the ripple elements on mouse events. */
    private _triggerElement;
    /** Whether the pointer is currently down or not. */
    private _isPointerDown;
    /** Events to be registered on the trigger element. */
    private _triggerEvents;
    /** Set of currently active ripple references. */
    private _activeRipples;
    /** Latest non-persistent ripple that was triggered. */
    private _mostRecentTransientRipple;
    /** Time in milliseconds when the last touchstart event happened. */
    private _lastTouchStartEvent;
    /**
     * Cached dimensions of the ripple container. Set when the first
     * ripple is shown and cleared once no more ripples are visible.
     */
    private _containerRect;
    /** Element where the ripples are being added to. */
    private _pathElement;
    /**
     * Fades in a ripple at the given coordinates.
     * @param x Coordinate within the element, along the X axis at which to start the ripple.
     * @param y Coordinate within the element, along the Y axis at which to start the ripple.
     * @param config Extra ripple options.
     */
    fadeInRipple(x: number, y: number, config?: RippleConfig): RippleRef;
    /** Fades out a ripple reference. */
    fadeOutRipple(rippleRef: RippleRef): void;
    /** Fades out all currently active ripples. */
    fadeOutAll(): void;
    /** Sets up the trigger event listeners */
    setupTriggerEvents(element: HTMLElement): void;
    /** Removes previously registered event listeners from the trigger element. */
    removeTriggerEvents(): void;
    /** Function being called whenever the trigger is being pressed using mouse. */
    private _onMousedown;
    /** Function being called whenever the trigger is being pressed using touch. */
    private _onTouchStart;
    /** Function being called whenever the trigger is being released. */
    private _onPointerUp;
}