/** Reserve all currently available slots atomically, never hold a partial group while waiting. */
export declare class RenderCapacity {
    #private;
    readonly capacity: number;
    constructor(capacity: number);
    acquire(requested: number, signal?: AbortSignal): Promise<{
        count: number;
        release: (count?: number) => void;
    }>;
    close(): void;
}
/** Keep each sampler on an absolute range so independent encoders can run together. */
export declare function runFrameShards(frameCount: number, parallelism: number, samplers: number, sample: (frame: number, worker: number, signal: AbortSignal) => Promise<void>, signal?: AbortSignal): Promise<void>;
/** Stop assigning work on failure, cancel peers, and drain before releasing resources. */
export declare function runRenderPool(count: number, concurrency: number, task: (index: number, worker: number, signal: AbortSignal) => Promise<void>, signal?: AbortSignal): Promise<void>;
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