export interface ExecOptions {
    /** Command to run */
    command: string;
    /** Arguments to pass */
    args?: string[];
    /** Working directory */
    cwd?: string;
    /** Timeout in milliseconds (default: 15000) */
    timeout?: number;
}
export interface ExecResult {
    stdout: string;
    stderr: string;
    exitCode: number;
}
/**
 * Central wrapper for all tool subprocess invocations.
 * Returns normalized stdout/stderr/exitCode.
 */
export declare function exec(opts: ExecOptions): ExecResult;
/** Run a command via bash -c */
export declare function execShell(command: string, opts?: Omit<ExecOptions, "command" | "args">): ExecResult;
/** Format an ExecResult as a human-readable string for tool output */
export declare function formatResult(result: ExecResult): string;
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