export type AsyncBatchYieldMode = "frame" | "task";
export interface AsyncBatchOptions {
    /** Input items processed between main-thread task boundaries. */
    chunkSize?: number;
    /** Yield on an animation frame (default) or a continuation task. */
    yieldMode?: AsyncBatchYieldMode;
    signal?: AbortSignal;
    onProgress?: (processed: number, total: number | null) => void;
}
export interface ResolvedAsyncBatchOptions {
    chunkSize: number;
    yieldMode: AsyncBatchYieldMode;
    signal?: AbortSignal;
    onProgress?: (processed: number, total: number | null) => void;
}
export declare function resolveAsyncBatchOptions(options: AsyncBatchOptions, defaultChunkSize: number): ResolvedAsyncBatchOptions;
export declare function asyncAbortError(): Error;
export declare function throwIfAsyncAborted(signal?: AbortSignal): void;
export declare function isAsyncIterable<T>(value: unknown): value is AsyncIterable<T>;
/** Yield without the nested setTimeout clamp when the platform supports it. */
export declare function yieldAsyncBatch(mode: AsyncBatchYieldMode): Promise<void>;
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