export interface RunProcessOptions {
    args: string[];
    timeout?: number;
    maxBuffer?: number;
    signal?: AbortSignal;
    env?: Record<string, string>;
    cwd?: string;
    /** Optional string to write to the child's stdin. */
    stdin?: string;
    /** Optional callback for live stdout chunks — enables incremental output
     *  display (e.g. the TUI shows a long-running command's output as it
     *  arrives, not just at the end). */
    onStdoutChunk?: (chunk: string) => void;
}
export interface RunProcessResult {
    stdout: string;
    stderr: string;
    exitCode: number;
}
export declare class ProcessError extends Error {
    readonly exitCode: number;
    readonly stdout: string;
    readonly stderr: string;
    readonly timedOut: boolean;
    constructor(exitCode: number, stdout: string, stderr: string, timedOut?: boolean);
}
export declare function runProcess(cmd: string, opts: RunProcessOptions): Promise<RunProcessResult>;
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