import { BehaviorSubject } from 'rxjs/BehaviorSubject';
export declare class ProcessingSpinnerService {
    showSpinner: BehaviorSubject<boolean>;
    description: BehaviorSubject<string>;
    descriptionColor: BehaviorSubject<string>;
    spinnerColor: BehaviorSubject<string>;
    backgroundColor: BehaviorSubject<string>;
    backgroundOpacity: BehaviorSubject<number>;
    constructor();
    /**
     * Show processing spinner
     */
    show(): void;
    /**
     * Hide processing spinner
     */
    hide(): void;
    /**
     * Change description under the spinner
     * @param description
     */
    setDescription(description: string): void;
    /**
     * Change description font color
     * @param color
     */
    setDescriptionColor(color: string): void;
    /**
     * Change color of spinner
     * @param color
     */
    setSpinnerColor(color: string): void;
    /**
     * Change background color of spinner
     * @param color
     */
    setBackgroundColor(color: string): void;
    /**
     * Change background opacity of spinner
     * @param opacity
     */
    setBackgroundOpacity(opacity: number): void;
}