import { AfterContentInit, ChangeDetectorRef, EventEmitter, OnDestroy, QueryList } from '@angular/core';
import { SelectionItemDirective } from './selection-item.directive';
import { SelectionMode, SelectionService } from './selection.service';
import { SelectionStrategy } from './strategies/selection.strategy';
import * as i0 from "@angular/core";
export declare class SelectionDirective<T> implements AfterContentInit, OnDestroy {
    readonly _selectionService: SelectionService<T>;
    readonly _cdRef: ChangeDetectorRef;
    /** Defines the items that should be selected. */
    set uxSelection(items: Array<T> | ReadonlyArray<T>);
    /** Can be used to enabled/disable selection behavior. */
    set disabled(disabled: boolean);
    /**
     * Defines the selection behavior. Alternatively, custom selection behavior can be defined by defining a
     * class which extends SelectionStrategy, and providing an instance of the custom class to this property.
     * See below for details of the SelectionStrategy class.
     */
    set mode(mode: SelectionMode | SelectionStrategy<T>);
    /**
     * Can be used to enable/disable click selection on items. This can be used to manually control the selection of an item,
     * for example, binding the selection state to a checkbox.
     */
    set clickSelection(isClickEnabled: boolean);
    /** Can be used to enable/disable keyboard navigation on items. Use this if you wish to provide custom keyboard controls for selection. */
    set keyboardSelection(isKeyboardEnabled: boolean);
    /**
     * The full set of selection items.
     * Only needed if the full set of `uxSelectionItem`s is not available, e.g. within a virtual scroll container.
     */
    set selectionItems(value: T[]);
    /** The tabstop of the selection outer element */
    tabindex: string | number;
    /** This event will be triggered when there is a change to the selected items. It will contain an array of the currently selected items. */
    uxSelectionChange: EventEmitter<T[]>;
    /** Access all items within the list */
    items: QueryList<SelectionItemDirective<T>>;
    /** Unsubscribe from all observables on component destroy */
    private readonly _onDestroy;
    /** Store the previous selection so we don't emit more than we have to */
    private _lastSelection;
    /** Whether a value has been provided to the `selectionItems` input. */
    private _hasExplicitDataset;
    constructor();
    ngAfterContentInit(): void;
    ngOnDestroy(): void;
    /**
     * Update the dataset to reflect the latest selection items
     */
    update(): void;
    /**
     * Select all the items in the list
     */
    selectAll(): void;
    /**
     * Deselect all currently selected items
     */
    deselectAll(): void;
    /**
     * Determine if the previous selection is the same as the current selection
     */
    private isSelectionChanged;
    static ɵfac: i0.ɵɵFactoryDeclaration<SelectionDirective<any>, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SelectionDirective<any>, "[uxSelection]", ["ux-selection"], { "uxSelection": { "alias": "uxSelection"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; "mode": { "alias": "mode"; "required": false; }; "clickSelection": { "alias": "clickSelection"; "required": false; }; "keyboardSelection": { "alias": "keyboardSelection"; "required": false; }; "selectionItems": { "alias": "selectionItems"; "required": false; }; "tabindex": { "alias": "tabindex"; "required": false; }; }, { "uxSelectionChange": "uxSelectionChange"; }, ["items"], never, false, never>;
}