/// <reference types="react" />
import * as React from 'react';
import { BaseComponent, KeyCodes } from '../../Utilities';
import { FocusZone } from '../../FocusZone';
import { Selection } from '../../utilities/selection/index';
import { Suggestions } from './Suggestions/Suggestions';
import { ISuggestionsProps } from './Suggestions/Suggestions.types';
import { SuggestionsController } from './Suggestions/SuggestionsController';
import { IBasePicker, IBasePickerProps } from './BasePicker.types';
import { Autofill } from '../Autofill/Autofill';
import { IPickerItemProps } from './PickerItem.types';
import { IPersonaProps } from '../Persona/Persona.types';
export interface IBasePickerState {
    items?: any;
    suggestedDisplayValue?: string;
    moreSuggestionsAvailable?: boolean;
    isFocused?: boolean;
    isSearching?: boolean;
    isMostRecentlyUsedVisible?: boolean;
    suggestionsVisible?: boolean;
    suggestionsLoading?: boolean;
    isResultsFooterVisible?: boolean;
}
export declare class BasePicker<T, P extends IBasePickerProps<T>> extends BaseComponent<P, IBasePickerState> implements IBasePicker<T> {
    protected selection: Selection;
    protected root: HTMLElement;
    protected input: Autofill;
    protected focusZone: FocusZone;
    protected suggestionElement: Suggestions<T>;
    protected suggestionStore: SuggestionsController<T>;
    protected SuggestionOfProperType: new (props: ISuggestionsProps<T>) => Suggestions<T>;
    protected loadingTimer: number | undefined;
    protected currentPromise: PromiseLike<any> | undefined;
    constructor(basePickerProps: P);
    readonly items: T[];
    componentWillUpdate(newProps: P, newState: IBasePickerState): void;
    componentDidMount(): void;
    componentWillReceiveProps(newProps: P): void;
    componentWillUnmount(): void;
    focus(): void;
    focusInput(): void;
    dismissSuggestions(ev?: any): void;
    completeSuggestion(): void;
    refocusSuggestions(keyCode: KeyCodes): void;
    render(): JSX.Element;
    protected canAddItems(): boolean;
    protected renderSuggestions(): JSX.Element | null;
    protected renderItems(): JSX.Element[];
    protected resetFocus(index?: number): void;
    protected onSuggestionSelect(): void;
    protected onSelectionChange(): void;
    protected updateSuggestions(suggestions: any[]): void;
    protected onEmptyInputFocus(): void;
    protected updateValue(updatedValue: string): void;
    protected updateSuggestionsList(suggestions: T[] | PromiseLike<T[]>, updatedValue?: string): void;
    protected resolveNewValue(updatedValue: string, suggestions: T[]): void;
    protected onChange(items?: T[]): void;
    protected onInputChange(value: string): void;
    protected onSuggestionClick(ev: React.MouseEvent<HTMLElement>, item: any, index: number): void;
    protected onSuggestionRemove(ev: React.MouseEvent<HTMLElement>, item: IPersonaProps, index: number): void;
    protected onInputFocus(ev: React.FocusEvent<HTMLInputElement | Autofill>): void;
    protected onInputBlur(ev: React.FocusEvent<HTMLInputElement | Autofill>): void;
    protected onKeyDown(ev: React.KeyboardEvent<HTMLElement>): void;
    protected onItemChange(changedItem: T, index: number): void;
    protected onGetMoreResults(): void;
    protected addItemByIndex(index: number): void;
    protected addItem(item: T): void;
    protected removeItem(item: IPickerItemProps<T>): void;
    protected removeItems(itemsToRemove: any[]): void;
    protected onBackspace(ev: React.KeyboardEvent<HTMLElement>): void;
    protected _isFocusZoneInnerKeystroke(ev: React.KeyboardEvent<HTMLElement>): boolean;
    /**
     * Controls what happens whenever there is an action that impacts the selected items.
     * If selectedItems is provided as a property then this will act as a controlled component and it will not update it's own state.
     */
    private _updateSelectedItems(items, focusIndex?);
    private _onSelectedItemsUpdated(items?, focusIndex?);
    private _onResolveSuggestions(updatedValue);
    private _onValidateInput();
    private _getTextFromItem(item, currentValue?);
}
export declare class BasePickerListBelow<T, P extends IBasePickerProps<T>> extends BasePicker<T, P> {
    render(): JSX.Element;
    protected onBackspace(ev: React.KeyboardEvent<HTMLElement>): void;
}