export interface ChildExitResolution {
    code: number;
    signal?: string;
    bySignal: boolean;
}
/**
 * Convert a signal name to a conventional shell exit code (128 + signal number).
 */
export declare function getSignalExitCode(signal?: string | null): number | null;
/**
 * Normalize child-process termination details into a stable numeric exit code.
 */
export declare function resolveChildProcessExit(error: any, fallbackCode?: number): ChildExitResolution;