export interface UtcScale {
    (value: Date | number | null | undefined): number | undefined;
    domain(): [Date, Date];
    domain(values: Iterable<Date | number>): UtcScale;
    range(): [number, number];
    range(values: Iterable<number>): UtcScale;
    invert(value: number): Date;
    clamp(): boolean;
    clamp(value: boolean): UtcScale;
    ticks(count?: number): Date[];
    tickFormat(count?: number): (value: Date) => string;
    nice(count?: number): UtcScale;
    copy(): UtcScale;
}
export declare function scaleUtc(): UtcScale;
export declare function scaleUtc(range: Iterable<number>): UtcScale;
export declare function scaleUtc(domain: Iterable<Date | number>, range: Iterable<number>): UtcScale;