import * as i0 from '@angular/core';
import { ElementRef, OnDestroy, OnInit } from '@angular/core';
import { ScrollDetail } from '@ionic/angular';
import { CdkVirtualScrollViewport } from '@angular/cdk/scrolling';

declare class ScrollHeaderDirective {
    #private;
    readonly scrollHeader: i0.Signal<ElementRef<any> | undefined>;
    constructor();
    onWindowScroll($event: CustomEvent<ScrollDetail>): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ScrollHeaderDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ScrollHeaderDirective, "ion-content[rdlaboScrollHeader]", never, {}, {}, ["scrollHeader"], never, true, never>;
}

declare class VirtualScrollHeaderDirective implements OnDestroy {
    #private;
    readonly virtualScroll: i0.Signal<CdkVirtualScrollViewport | undefined>;
    readonly scrollHeader: i0.Signal<ElementRef<any> | undefined>;
    constructor();
    ngOnDestroy(): void;
    onWindowScroll(scrollOffset: number): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<VirtualScrollHeaderDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<VirtualScrollHeaderDirective, "ion-content[rdlaboVirtualScrollHeader]", never, {}, {}, ["virtualScroll", "scrollHeader"], never, true, never>;
}

declare class FixVirtualScrollElementDirective implements OnInit {
    #private;
    ngOnInit(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<FixVirtualScrollElementDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<FixVirtualScrollElementDirective, "cdk-virtual-scroll-viewport[rdlaboFixVirtualScrollElement]", never, {}, {}, never, never, true, never>;
}

export { FixVirtualScrollElementDirective, ScrollHeaderDirective, VirtualScrollHeaderDirective };