import { ElementRef, OnDestroy } from "@angular/core";
import * as i0 from "@angular/core";
export declare class SdDropdownControl implements OnDestroy {
    elRef: ElementRef<HTMLElement>;
    open: import("@angular/core").ModelSignal<boolean>;
    disabled: import("@angular/core").InputSignalWithTransform<boolean, boolean | "" | undefined>;
    contentClass: import("@angular/core").InputSignal<string | undefined>;
    contentStyle: import("@angular/core").InputSignal<string | undefined>;
    popupElRef: import("@angular/core").Signal<ElementRef<HTMLElement>>;
    private _popupEl?;
    constructor();
    ngOnDestroy(): void;
    private _openPopup;
    private _closePopup;
    onDocumentScrollCapture(event: Event): void;
    onHostClick(): void;
    onHostKeydown(event: KeyboardEvent): void;
    onPopupKeydown(event: KeyboardEvent): void;
    private _mouseoverEl?;
    onDocumentMouseover(event: MouseEvent): void;
    onDocumentBlurCapture(event: FocusEvent): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SdDropdownControl, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SdDropdownControl, "sd-dropdown", never, { "open": { "alias": "open"; "required": false; "isSignal": true; }; "disabled": { "alias": "disabled"; "required": false; "isSignal": true; }; "contentClass": { "alias": "contentClass"; "required": false; "isSignal": true; }; "contentStyle": { "alias": "contentStyle"; "required": false; "isSignal": true; }; }, { "open": "openChange"; }, ["popupElRef"], ["*", "sd-dropdown-popup"], true, never>;
}