import * as i0 from "@angular/core";
export declare class SdDropdownPopup {
    private readonly _parentControl;
    private readonly _elRef;
    private _capped;
    onKeydown(event: KeyboardEvent): void;
    onResize(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SdDropdownPopup, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SdDropdownPopup, "sd-dropdown-popup", never, {}, {}, never, ["*"], true, never>;
}
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