import * as _angular_core from '@angular/core';
import { OnChanges, ElementRef, SimpleChanges } from '@angular/core';
import * as _angular_animations from '@angular/animations';

declare const smoothHeight: _angular_animations.AnimationTriggerMetadata;
declare const showHide: _angular_animations.AnimationTriggerMetadata;
declare class SmoothHeightDirective implements OnChanges {
    smoothHeight: _angular_core.InputSignal<unknown>;
    pulse: _angular_core.WritableSignal<boolean>;
    startHeight: _angular_core.WritableSignal<number>;
    host: ElementRef<any>;
    get grow(): {
        value: boolean;
        params: {
            startHeight: number;
        };
    };
    setStartHeight(): void;
    ngOnChanges(changes: SimpleChanges): void;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<SmoothHeightDirective, never>;
    static ɵdir: _angular_core.ɵɵDirectiveDeclaration<SmoothHeightDirective, "[smoothHeight]", never, { "smoothHeight": { "alias": "smoothHeight"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}

export { SmoothHeightDirective, showHide, smoothHeight };