/** Default animation state */
export declare enum AnimationState {
    Initial = "initial",
    Enter = "enter",
    Exit = "exit",
    Void = "void"
}
/** Default animation phase */
export declare enum AnimationPhase {
    Start = "start",
    Done = "done"
}
/** Represents an abstract animation event. */
export interface AbstractAnimationEvent {
    phaseName: AnimationPhase;
    toState: AnimationState;
}
/** Holds the (cross-browser) animation event names. */
export declare class AnimationEventName {
    animationstart: string;
    animationend: string;
    constructor(animationstart: string, animationend: string);
}
/**
 * Get the supported animation event names.
 *
 * For cross-browser support, we need to include the prefix when necessary.
 */
export declare function getAnimationEvents(): AnimationEventName | null;