/** Linear scale: domain → range. */
export declare class LinearScale {
    domain: [number, number];
    range: [number, number];
    constructor(domain?: [number, number], range?: [number, number]);
    convert(value: number): number;
    invert(position: number): number;
    /** Rounds the domain to bounds that are multiples of the tick step. */
    nice(count?: number): void;
    ticks(count?: number): number[];
}