import { ExistingProvider, OnDestroy } from "@angular/core";
import { ControlValueAccessor } from "@angular/forms";
import { OnChangeType, OnTouchedType, PadSafeAny } from "pad-ui-lib/core/type";
import { PadAutocompleteComponent } from "./autocomplete.component";
import * as i0 from "@angular/core";
export declare function getPadAutocompleteMissingPanelError(): Error;
export declare const PAD_AUTOCOMPLETE_VALUE_ACCESSOR: ExistingProvider;
export declare class PadAutocompleteTriggerDirective implements ControlValueAccessor, OnDestroy {
    private readonly _elementRef;
    private readonly _overlay;
    private readonly _vcr;
    private readonly _document;
    private readonly _destroyRef;
    padAutocomplete: PadAutocompleteComponent;
    private _overlayRef;
    private _portal;
    private _positionStrategy;
    private _previousValue;
    private _previousOptionValue;
    private _selectionChangeSubscription;
    private _overlayOutsideClickSubscription;
    private _optionsChangeSubscription;
    onChange: OnChangeType;
    onTouched: OnTouchedType;
    panelOpen: boolean;
    get activeOption(): import("pad-ui-lib/autocomplete").PadOptionComponent | null;
    ngOnDestroy(): void;
    writeValue(obj: PadSafeAny): void;
    registerOnChange(fn: PadSafeAny): void;
    registerOnTouched(fn: PadSafeAny): void;
    setDisabledState?(isDisabled: boolean): void;
    onHandleFocus(): void;
    onHandleBlur(): void;
    onHandleKeyDown(event: KeyboardEvent): void;
    onHandleInput(event: KeyboardEvent): void;
    openPanel(): void;
    closePanel(): void;
    private _attachOverlay;
    private _getOverlayConfig;
    private _getOverlayPosition;
    private _updateStatus;
    private _resetActiveItem;
    private _setTriggerValue;
    private _getConnectedElement;
    private _getHostWidth;
    private _subscribeOptionsChange;
    private _subscribeSelectionChange;
    private _subscribeOverlayOutsideClick;
    private _doBackfill;
    private _canOpen;
    static ɵfac: i0.ɵɵFactoryDeclaration<PadAutocompleteTriggerDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<PadAutocompleteTriggerDirective, "input[padAutocomplete], textarea[padAutocomplete]", ["padAutocompleteTrigger"], { "padAutocomplete": { "alias": "padAutocomplete"; "required": true; }; }, {}, never, never, false, never>;
}