/**
 * Extract global API URL option from command line arguments.
 * Parses the global --api-url option that can be used to override the default
 * signageOS REST API endpoint for all CLI operations. This is useful for testing
 * against different environments or custom API deployments.
 *
 * @returns The API URL if specified, undefined otherwise
 *
 * @example
 * ```bash
 * # Use custom API URL
 * sos --api-url https://api.custom.signageos.io applet list
 * ```
 */
export declare function getGlobalApiUrl(): string | undefined;
/**
 * Extract global profile option from command line arguments.
 * Parses the global --profile option that specifies which authentication profile
 * to use for CLI operations. Profiles allow management of multiple signageOS
 * environments or accounts from the same machine.
 *
 * @returns The profile name if specified, falls back to default profile
 *
 * @example
 * ```bash
 * # Use specific profile
 * sos --profile production applet list
 *
 * # Use staging profile
 * sos --profile staging device connect
 * ```
 */
export declare function getGlobalProfile(): string;
/**
 * Validate that --profile and --api-url are not used together.
 * These options are mutually exclusive: --profile selects a fully pre-configured
 * connection from ~/.sosrc (which already includes an api-url), while --api-url
 * overrides the endpoint directly (implying the default profile).
 *
 * @throws {Error} When both --profile and --api-url are present on the command line
 *
 * @example
 * ```bash
 * # Valid: only --profile
 * sos --profile staging login
 *
 * # Valid: only --api-url
 * sos --api-url https://custom-api.com login
 *
 * # Invalid: both together
 * sos --profile staging --api-url https://custom-api.com login
 * ```
 */
export declare function validateProfileAndApiUrl(): void;