import * as i3 from 'igniteui-angular/input-group';
import { IgxLabelDirective, IgxPrefixDirective, IgxSuffixDirective, IgxHintDirective } from 'igniteui-angular/input-group';
import * as i0 from '@angular/core';
import { AfterViewInit, DoCheck, EventEmitter } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { CancelableEventArgs, IBaseEventArgs, IBaseCancelableBrowserEventArgs } from 'igniteui-angular/core';
import * as i2 from 'igniteui-angular/combo';
import { IgxComboBaseDirective, IgxComboDropDownComponent, IgxComboAddItemComponent, IgxComboAddItemDirective, IgxComboClearIconDirective, IgxComboEmptyDirective, IgxComboFooterDirective, IgxComboHeaderDirective, IgxComboHeaderItemDirective, IgxComboItemDirective, IgxComboToggleIconDirective } from 'igniteui-angular/combo';

/** Emitted when an igx-simple-combo's selection is changing.  */
interface ISimpleComboSelectionChangingEventArgs extends CancelableEventArgs, IBaseEventArgs {
    /** An object which represents the value that is currently selected */
    oldValue: any;
    /** An object which represents the value that will be selected after this event */
    newValue: any;
    /** An object which represents the item that is currently selected */
    oldSelection: any;
    /** An object which represents the item that will be selected after this event */
    newSelection: any;
    /** The text that will be displayed in the combo text box */
    displayText: string;
}
/**
 * Represents a drop-down list that provides filtering functionality, allowing users to choose a single option from a predefined list.
 *
 * @igxModule IgxSimpleComboModule
 * @igxTheme igx-combo-theme
 * @igxKeywords combobox, single combo selection
 * @igxGroup Grids & Lists
 *
 * @remarks
 * It provides the ability to filter items as well as perform single selection on the provided data.
 * Additionally, it exposes keyboard navigation and custom styling capabilities.
 * @example
 * ```html
 * <igx-simple-combo [itemsMaxHeight]="250" [data]="locationData"
 *  [displayKey]="'field'" [valueKey]="'field'"
 *  placeholder="Location" searchPlaceholder="Search...">
 * </igx-simple-combo>
 * ```
 */
declare class IgxSimpleComboComponent extends IgxComboBaseDirective implements ControlValueAccessor, AfterViewInit, DoCheck {
    private platformUtil;
    private formGroupDirective;
    /** @hidden @internal */
    dropdown: IgxComboDropDownComponent;
    /** @hidden @internal */
    addItem: IgxComboAddItemComponent;
    /**
     * Emitted when item selection is changing, before the selection completes
     *
     * ```html
     * <igx-simple-combo (selectionChanging)='handleSelection()'></igx-simple-combo>
     * ```
     */
    selectionChanging: EventEmitter<ISimpleComboSelectionChangingEventArgs>;
    private textSelection;
    get value(): any;
    /**
     * Get current selection state
     *
     * @returns The selected item, if any
     * ```typescript
     * let mySelection = this.combo.selection;
     * ```
     */
    get selection(): any;
    /** @hidden @internal */
    composing: boolean;
    private _updateInput;
    private _collapsing;
    /** @hidden @internal */
    get filteredData(): any[] | null;
    /** @hidden @internal */
    set filteredData(val: any[] | null);
    /** @hidden @internal */
    get searchValue(): string;
    set searchValue(val: string);
    private get selectedItem();
    protected get hasSelectedItem(): boolean;
    constructor();
    /** @hidden @internal */
    onArrowDown(event: Event): void;
    /**
     * Select a defined item
     *
     * @param item the item to be selected
     * ```typescript
     * this.combo.select("New York");
     * ```
     */
    select(item: any): void;
    /**
     * Deselect the currently selected item
     *
     * @param item the items to be deselected
     * ```typescript
     * this.combo.deselect("New York");
     * ```
     */
    deselect(): void;
    /** @hidden @internal */
    writeValue(value: any): void;
    /** @hidden @internal */
    ngAfterViewInit(): void;
    /** @hidden @internal */
    ngDoCheck(): void;
    /** @hidden @internal */
    handleInputChange(event?: any): void;
    /** @hidden @internal */
    handleInputClick(): void;
    /** @hidden @internal */
    handleKeyDown(event: KeyboardEvent): void;
    /** @hidden @internal */
    handleKeyUp(event: KeyboardEvent): void;
    /** @hidden @internal */
    handleItemKeyDown(event: KeyboardEvent): void;
    /** @hidden @internal */
    handleItemClick(): void;
    /** @hidden @internal */
    onBlur(): void;
    /** @hidden @internal */
    getEditElement(): HTMLElement;
    /** @hidden @internal */
    clearInput(event: Event): void;
    /** @hidden @internal */
    handleClear(event: Event): void;
    /** @hidden @internal */
    handleClearKeyDown(event: KeyboardEvent): void;
    /** @hidden @internal */
    handleOpened(): void;
    /** @hidden @internal */
    handleClosing(e: IBaseCancelableBrowserEventArgs): void;
    /** @hidden @internal */
    focusSearchInput(opening?: boolean): void;
    /** @hidden @internal */
    onClick(event: Event): void;
    protected findAllMatches: (element: any) => boolean;
    protected setSelection(newSelection: any): void;
    protected createDisplayText(newSelection: any[], oldSelection: any[]): string;
    protected getRemoteSelection(newSelection: any[], oldSelection: any[]): string;
    /** Contains key-value pairs of the selected valueKeys and their resp. displayKeys */
    protected registerRemoteEntries(ids: any[], add?: boolean): void;
    private clearSelection;
    private clearOnBlur;
    private getElementVal;
    private clear;
    private isValid;
    static ɵfac: i0.ɵɵFactoryDeclaration<IgxSimpleComboComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<IgxSimpleComboComponent, "igx-simple-combo", never, {}, { "selectionChanging": "selectionChanging"; }, never, ["[igxLabel]", "igx-prefix,[igxPrefix]", "igx-hint, [igxHint]", "igx-suffix,[igxSuffix]"], true, never>;
}

declare const IGX_SIMPLE_COMBO_DIRECTIVES: readonly [typeof IgxSimpleComboComponent, typeof IgxComboAddItemDirective, typeof IgxComboClearIconDirective, typeof IgxComboEmptyDirective, typeof IgxComboFooterDirective, typeof IgxComboHeaderDirective, typeof IgxComboHeaderItemDirective, typeof IgxComboItemDirective, typeof IgxComboToggleIconDirective, typeof IgxLabelDirective, typeof IgxPrefixDirective, typeof IgxSuffixDirective, typeof IgxHintDirective];

/**
 * @hidden
 * IMPORTANT: The following is NgModule exported for backwards-compatibility before standalone components
 */
declare class IgxSimpleComboModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<IgxSimpleComboModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<IgxSimpleComboModule, never, [typeof IgxSimpleComboComponent, typeof i2.IgxComboAddItemDirective, typeof i2.IgxComboClearIconDirective, typeof i2.IgxComboEmptyDirective, typeof i2.IgxComboFooterDirective, typeof i2.IgxComboHeaderDirective, typeof i2.IgxComboHeaderItemDirective, typeof i2.IgxComboItemDirective, typeof i2.IgxComboToggleIconDirective, typeof i3.IgxLabelDirective, typeof i3.IgxPrefixDirective, typeof i3.IgxSuffixDirective, typeof i3.IgxHintDirective], [typeof IgxSimpleComboComponent, typeof i2.IgxComboAddItemDirective, typeof i2.IgxComboClearIconDirective, typeof i2.IgxComboEmptyDirective, typeof i2.IgxComboFooterDirective, typeof i2.IgxComboHeaderDirective, typeof i2.IgxComboHeaderItemDirective, typeof i2.IgxComboItemDirective, typeof i2.IgxComboToggleIconDirective, typeof i3.IgxLabelDirective, typeof i3.IgxPrefixDirective, typeof i3.IgxSuffixDirective, typeof i3.IgxHintDirective]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<IgxSimpleComboModule>;
}

export { IGX_SIMPLE_COMBO_DIRECTIVES, IgxSimpleComboComponent, IgxSimpleComboModule };
export type { ISimpleComboSelectionChangingEventArgs };