export declare class AppearDisappearAnimations {
    private static widthOpacityTriggerConfig;
    private static opacityTranslatePaddingTriggerConfig;
    private static heightOpacityTriggerConfig;
    static widthOpacityTrigger(): import("@angular/animations").AnimationTriggerMetadata;
    static widthOpacityFasterTrigger(): import("@angular/animations").AnimationTriggerMetadata;
    static opacityTranslatePaddingTrigger(): import("@angular/animations").AnimationTriggerMetadata;
    static heightOpacityTrigger(): import("@angular/animations").AnimationTriggerMetadata;
}