import { AnimationTriggerMetadata } from '@angular/animations';
/**
 * Function TdFadeInOutAnimation
 *
 * params:
 * * duration: Duration of animation in miliseconds. Defaults to 150 ms.
 *
 * Returns an [AnimationTriggerMetadata] object with states for a fading animation.
 *
 * usage: [@tdFadeInOut]="true|false"
 */
export declare function TdFadeInOutAnimation(duration?: number): AnimationTriggerMetadata;