import { Observable } from 'tns-core-modules/data/observable';
export interface ColorOption {
    backgroundColor?: string;
    hudColor?: string;
    activityColor?: string;
    tintColor?: string;
    labelColor?: string;
    progressTick?: number;
    minShowTime?: number;
    tickInterval?: number;
    backgroundOpacity?: number;
    size?: {
        width: number;
        height: number;
    };
    progressType: 'annular' | 'determinate' | 'bar' | 'indeterminate';
}
export declare class Common extends Observable {
    message: string;
    constructor();
}