import { EventEmitter, OnDestroy } from "@angular/core";
import { Subject } from "rxjs";
import { MatSelect } from "@angular/material/select";
import * as i0 from "@angular/core";
export declare class LdcSelectScrollBottomDirective implements OnDestroy {
    private matSelect;
    reachedBottom: EventEmitter<void>;
    unsubscribeAll: Subject<boolean>;
    private readonly BOTTOM_SCROLL_OFFSET;
    constructor(matSelect: MatSelect);
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<LdcSelectScrollBottomDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<LdcSelectScrollBottomDirective, "[libLdcSelectScrollBottom]", never, {}, { "reachedBottom": "appMatSelectScrollBottom"; }, never, never, true, never>;
}
