import { MotionOptions } from '@ngverse/motion/core';
/**
 * fadeIn animation
 */
export declare const fadeIn: (options?: Partial<MotionOptions> | undefined) => import("@angular/animations").AnimationAnimateRefMetadata;
/**
 * sets default values for the `fadeIn` animation
 */
export declare const setFadeInDefaults: (options: Partial<MotionOptions>) => MotionOptions & Partial<MotionOptions>;
/**
 * fadeIn animation on :enter
 * @remarks triggerName: `fadeInOnEnter`
 */
export declare const fadeInOnEnter: (options?: Partial<MotionOptions> | undefined) => import("@angular/animations").AnimationTriggerMetadata;
/**
 * fadeIn animation on :incr
 * @remarks triggerName: `fadeInOnIncr`
 */
export declare const fadeInOnIncr: (options?: Partial<MotionOptions> | undefined) => import("@angular/animations").AnimationTriggerMetadata;