import { AnimationReferenceMetadata } from '@angular/animations';
export declare const flip: AnimationReferenceMetadata;
export declare function flipIn(rotateX: number, rotateY: number): AnimationReferenceMetadata;
export declare const flipInX: AnimationReferenceMetadata;
export declare const flipInY: AnimationReferenceMetadata;
export declare function flipOut(rotateX: number, rotateY: number): AnimationReferenceMetadata;
export declare const flipOutX: AnimationReferenceMetadata;
export declare const flipOutY: AnimationReferenceMetadata;