import * as i0 from "@angular/core";
export declare class PghChartColorsService {
    readonly FALL_BACK_COLORS: string[];
    private colors;
    constructor(colors: string[]);
    get chartColors(): string[];
    updateColors(colors: string[]): void;
    getStatBoxColor(index: number): string;
    getChartSeriesColor(index: number): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<PghChartColorsService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PghChartColorsService>;
}