/**
 * Semantic exit codes for pi-extension-toolkit operations.
 * Allows scripts and agents to programmatically determine failure reasons.
 */
export declare const ExitCode: {
    /** Success */
    readonly OK: 0;
    /** General/unknown error */
    readonly ERROR: 1;
    /** Invalid command-line arguments or usage */
    readonly INVALID_ARGS: 2;
    /** Target not found (ENOENT) */
    readonly NOT_FOUND: 3;
    /** Permission denied (EACCES) */
    readonly PERMISSION_DENIED: 4;
    /** File/directory already exists (EEXIST) - use force:true to override */
    readonly ALREADY_EXISTS: 5;
    /** Git/submodule operation failed */
    readonly GIT_ERROR: 6;
    /** Network/fetch operation failed */
    readonly NETWORK_ERROR: 7;
    /** Validation failed (schema, input, config) */
    readonly VALIDATION_ERROR: 8;
    /** Cancelled by user (SIGINT) */
    readonly CANCELLED: 130;
};
export type ExitCode = (typeof ExitCode)[keyof typeof ExitCode];
/**
 * Maps Node.js errno to semantic exit code.
 */
export declare function mapErrnoToExitCode(errno: string | undefined): ExitCode;