import { TuiPositionAccessor, TuiRectAccessor } from '@taiga-ui/core/classes';
import { type TuiPoint, type TuiVerticalDirection } from '@taiga-ui/core/types';
import { Subject } from 'rxjs';
import { type TuiDropdownAlign } from './dropdown-options.directive';
import * as i0 from "@angular/core";
export declare class TuiDropdownPosition extends TuiPositionAccessor {
    private readonly el;
    private readonly options;
    private readonly viewport;
    private previous?;
    readonly direction: Subject<TuiVerticalDirection>;
    readonly type = "dropdown";
    readonly accessor: TuiRectAccessor;
    readonly tuiDropdownDirectionChange: import("@angular/core").OutputRef<TuiVerticalDirection>;
    getPosition({ width, height }: DOMRect): TuiPoint;
    getAlign(align: TuiDropdownAlign): 'center' | 'left' | 'right';
    static ɵfac: i0.ɵɵFactoryDeclaration<TuiDropdownPosition, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TuiDropdownPosition, never, never, {}, { "tuiDropdownDirectionChange": "tuiDropdownDirectionChange"; }, never, never, true, never>;
}