import type { UIRange, UIRangeConfig } from "../miscellaneous/miscellaneous";
import { UISpawnModule } from "./UISpawnModule";
/**
 * Assigns random lifetime to particles.
 *
 * Lifetime is chosen uniformly from the specified range. Age is set to 0.
 */
export declare class UISpawnRandomLifetime extends UISpawnModule<{
    builtin: "Matrix4";
}> {
    private lifetimeInternal;
    /**
     * @param lifetime - Lifetime range in seconds. Accepts number, tuple, or range object
     */
    constructor(lifetime?: UIRangeConfig);
    /** Lifetime range in seconds */
    get lifetime(): UIRange;
    /** Lifetime range in seconds */
    set lifetime(value: UIRangeConfig);
}