/**
 * Execute a shell command in a given working directory.
 * Returns stdout, stderr, exit code, and duration.
 *
 * Uses execFile with shell:true for cross-platform compatibility.
 * Truncates output to avoid overwhelming the LLM context.
 */
export interface CommandResult {
    command: string;
    exitCode: number;
    stdout: string;
    stderr: string;
    durationMs: number;
    success: boolean;
    timedOut: boolean;
}
export declare function runCommand(command: string, cwd: string, timeoutMs?: number, maxOutputChars?: number): Promise<CommandResult>;
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