import type { ToolProgressEvent } from '@wrongstack/core/types';
export interface SpawnStreamResult {
    stdout: string;
    stderr: string;
    exitCode: number;
    truncated: boolean;
    error?: string | undefined;
    /** When the output exceeded maxBytes, the FULL output was spooled here. */
    spoolPath?: string | undefined;
    /** Total output bytes produced (only set when spooled). */
    spoolBytes?: number | undefined;
}
interface SpawnStreamOptions {
    cmd: string;
    args: string[];
    cwd: string;
    signal?: AbortSignal | undefined;
    maxBytes?: number | undefined;
    /** Bytes of new stdout/stderr to accumulate before yielding a `partial_output` event. */
    flushBytes?: number | undefined;
    /** Maximum chunks to buffer before applying backpressure to the child. Default 500. */
    maxQueueSize?: number | undefined;
    /** Maximum UTF-8 bytes retained in the producer/consumer queue. Defaults to 1 MiB. */
    maxQueueBytes?: number | undefined;
}
/**
 * Spawn a child process and yield `partial_output` progress events as
 * stdout/stderr arrive (batched by byte threshold), then return the full
 * buffered result. Shared between install/lint/format/typecheck/test/audit
 * so the TUI live tail sees consistent progress regardless of which tool
 * is running.
 */
export declare function spawnStream(opts: SpawnStreamOptions): AsyncGenerator<ToolProgressEvent, SpawnStreamResult>;
export {};
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