import { AfterContentInit, ElementRef, EventEmitter, OnDestroy, QueryList } from '@angular/core';
import { Subscription } from 'rxjs';
import { IconDefinition } from '@fortawesome/free-solid-svg-icons';
import { ToolbarOptionComponent } from '../toolbar-option/toolbar-option.component';
import { Loggable } from '../../Loggable';
import * as i0 from "@angular/core";
export declare class ToolbarSelectComponent extends Loggable implements OnDestroy, AfterContentInit {
    private elementRef;
    readonly name = "ToolbarSelectComponent";
    /**
     * Font Awesome 5 icon to use for the dropdown arrow.
     */
    readonly faAngleDown: IconDefinition;
    /**
     * A QueryList of the ToolbarOptionComponents that populate the options.
     */
    readonly options: QueryList<ToolbarOptionComponent>;
    /**
     * Used to apply classes to the host element
     */
    readonly isInitialized = true;
    /**
     * Tab Index to enable keyboard navigation
     */
    readonly tabIndex = 0;
    /**
     * Boolean state of the dropdown menu. open = true; closed = false
     */
    isOpen: boolean;
    /**
     * Controls the presentation of the dropdown. When fullWidth is true,
     * the dropdown is left aligned and the width of the dropdown label.
     */
    fullWidth: boolean;
    /**
     * Boolean. True when the component has focus, otherwise false.
     */
    hasFocus: boolean;
    /**
     * Allows the control to be disabled.
     */
    disabled: boolean;
    /**
     * The index of the currently-highlighted option
     */
    highlightedIndex: number;
    /**
     * Label for the input, shown to the left of the current value.
     */
    label: string;
    /**
     * The index of the currently-selected option.
     */
    selectedIndex: number;
    /**
     * Array of subscriptions created during the life of the component.
     */
    private _subscriptions;
    /**
     * The current value of the component.
     */
    private _value;
    get value(): any;
    set value(value: any);
    valueChange: EventEmitter<any>;
    /**
     * Constructs a new ToolbarSelectComponent.
     * @param elementRef Reference to the component's host element.
     */
    constructor(elementRef: ElementRef);
    /**
     * Manages rxjs subscriptions so that the component doesn't leak memory.
     * @param subscription Subscription to add to tracking array.
     */
    addSubscription(subscription: Subscription): this;
    /**
     * Initializes the subscriptions for hover and clicks from ToolbarOptionComponent children.
     */
    ngAfterContentInit(): void;
    /**
     * Safely closes subscriptions when the component is destroyed.
     */
    ngOnDestroy(): void;
    /**
     * Finds the index of a value within the options ToolbarOptionComponent array.
     * @param value Value to find in the options.
     */
    getIndexByValue(value: any): number;
    /**
     * Highlights an option by its position in the `option` array.
     * @param highlightIndex The index of the option to highlight on screen.
     * @param scrollToHighlightedOption Boolean, if the option should be scrolled to on highlight.
     */
    highlightOptionByIndex(highlightIndex: number, scrollToHighlightedOption?: boolean): void;
    /**
     * Toggles the dropdown being open or closed.
     */
    toggleOpen(): void;
    /**
     * Opens the dropdown.
     */
    private open;
    /**
     * Closes the dropdown
     */
    private close;
    /**
     * Called when the component gets focus.  Used to make keyboard navigation make sense.
     */
    onFocusIn(): void;
    /**
     * Called when the component loses focus.
     */
    onFocusOut(): void;
    /**
     * Closes dropdown on stray click
     * @param event Click event containing the target.
     */
    onClick(event: any): void;
    /**
     * Processes keyboard presses to enable keyboard navigation.
     * @param event An event containing details about the key press.
     */
    onDocumentKeyDown(event: KeyboardEvent): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ToolbarSelectComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ToolbarSelectComponent, "porcelain-toolbar-select, p-toolbar-select", never, { "fullWidth": "fullWidth"; "disabled": "disabled"; "label": "label"; "value": "value"; }, { "valueChange": "valueChange"; }, ["options"], ["porcelain-toolbar-selected-template, p-toolbar-selected-template", "porcelain-toolbar-option, p-toolbar-option"], false>;
}