import { AfterContentInit, ChangeDetectorRef, ElementRef, EventEmitter, OnInit, OnDestroy, QueryList } from '@angular/core';
import { MatColorPickerCollectionComponent } from './color-picker-collection.component';
import { MatColorPickerService } from './color-picker.service';
import { Observable } from 'rxjs/Observable';
export declare class MatColorPickerComponent implements AfterContentInit, OnInit, OnDestroy {
    private elementRef;
    private changeDetectorRef;
    private colorPickerService;
    /**
     * Get all collections
     */
    _collections: QueryList<MatColorPickerCollectionComponent>;
    /**
     * Change label of the collection UsedColors
     */
    usedColorLabel: string;
    private _usedColorLabel;
    /**
     * Set initial value for used color
     */
    usedColorStart: string[];
    /**
     * Hide empty slots from the collection UsedColors
     */
    hideEmpty: boolean;
    private _hideEmpty;
    /**
     * Hide UsedColors collection
     */
    hideUsedColors: boolean;
    private _hideUsedColors;
    /**
     * Start with a color selected
     */
    selectedColor: string;
    private _selectedColor;
    /**
     * Define if the panel will be initiated open
     */
    isOpen: boolean;
    private _isOpen;
    /**
     * Define if the panel will show in overlay or not
     */
    overlay: boolean;
    private _overlay;
    /**
     * Hide the action buttons (cancel/confirm)
     */
    hideButtons: boolean;
    private _hideButtons;
    /**
     * Set the size of the used colors
     */
    usedSizeColors: number;
    /**
     * Change btnCancel label
     */
    btnCancel: string;
    /**
     * Change btnConfirm label
     */
    btnConfirm: string;
    /**
     * Event emitted when user change the selected color (without confirm)
     */
    change: EventEmitter<{}>;
    /**
     * Event emitted when selected color is confirm
     */
    selected: EventEmitter<{}>;
    /**
     * Event emitted when is clicked outside of the component
     */
    clickOut: EventEmitter<{}>;
    /**
     * Return a Observable with the color the user is picking
     */
    readonly tmpSelectedColor$: Observable<string>;
    private _tmpSelectedColor;
    /**
     * Array of subscriptions from the collections
     */
    private _collectionSubs;
    /**
     * Observable with all the colors used by the user
     */
    usedColors$: Observable<string[]>;
    constructor(elementRef: ElementRef, changeDetectorRef: ChangeDetectorRef, colorPickerService: MatColorPickerService);
    ngOnInit(): void;
    /**
     * Walk throw all collections and subcribe to changes
     */
    ngAfterContentInit(): void;
    /**
     * Destroy all subscriptions
     */
    ngOnDestroy(): void;
    /**
     * Update selected color and emit the change
     */
    private _updateSelectedColor();
    /**
     * Open/close color picker panel
     */
    toggle(): void;
    /**
     * Update selected color, close the panel and notify the user
     */
    backdropClick(): void;
    /**
     * Update tmpSelectedColor
     * @param color string
     */
    updateTmpSelectedColor(color: string): void;
    /**
     * Cancel the selection and close the panel
     */
    cancelSelection(): void;
    /**
     * Update selectedColor and close the panel
     */
    confirmSelectedColor(): void;
}