import { ControllerStateAndHelpers, DownshiftProps } from 'downshift';
import React from 'react';
import { Omit } from '../../../util';
export interface SelectDownshiftProps<T> extends Omit<DownshiftProps<T>, 'children'> {
    /**
     * Items to be populated on the select component.
     */
    items: ReadonlyArray<T>;
    /**
     * Whether the select menu should be opened when the select is focused.
     */
    openOnFocus?: boolean;
    /**
     * Minimum width of the dropdown menu
     */
    menuMinWidth?: number;
    /**
     * Whether the current input filter should be kept after an item is selected.
     * This is necessary for multi selects, for example, when the filter should be kept after an item is selected.
     * @default false
     */
    keepFilterAfterSelect?: boolean;
    children?(props: SelectDownshiftRenderProps<T>): React.ReactNode;
    /**
     * Called when the inputValue is changed.
     * @param filter The `inputValue` or `null` if an item is selected.
     * @param downshift The downshift controller and helpers.
     */
    onFilterChange?(filter: string, downshift: SelectDownshiftRenderProps<T>): void;
    /**
     * If informed, select will allow insertion of items not present on the select.
     * @param inputValue The string type in the text box
     * @return The value that should be created and hold by the select
     */
    createNewItem?(inputValue: string): T;
}
export interface SelectDownshiftRenderProps<T> extends ControllerStateAndHelpers<T>, State<T> {
    items: T[];
    setVisibleItems(visibleItems: T[]): void;
}
interface State<T> {
    visibleItems: T[];
}
/**
 * Default filter prop used by the Select component.
 */
export declare function defaultSelectFilter<T>(items: T[], filter: string, itemToString: SelectDownshiftRenderProps<T>['itemToString']): T[];
/**
 * Downshift extension with item and filter management.
 */
export declare function SelectDownshift<T>(props: SelectDownshiftProps<T>): JSX.Element;
export declare namespace SelectDownshift {
    var defaultProps: Partial<SelectDownshiftProps<any>>;
}
export {};