import type { UIAspectConfig, UIRange, UIRangeConfig } from "../miscellaneous/miscellaneous";
import { UISpawnModule } from "./UISpawnModule";
/**
 * Assigns random scale to particles.
 *
 * Base scale is chosen uniformly from the range. Aspect ratio is applied to X scale.
 */
export declare class UISpawnRandomScale extends UISpawnModule<{
    builtin: "Matrix4";
}> {
    private scaleInternal;
    private aspectInternal;
    /**
     * @param scale - Base scale range. Accepts number, tuple, or range object
     * @param aspect - Width/height ratio. Accepts number or texture
     */
    constructor(scale?: UIRangeConfig, aspect?: UIAspectConfig);
    /** Base scale range */
    get scale(): UIRange;
    /** Width/height aspect ratio */
    get aspect(): number;
    /** Base scale range */
    set scale(value: UIRangeConfig);
    /** Width/height aspect ratio */
    set aspect(value: UIAspectConfig);
}