/**
 * This method runs different code for different versions (VS Code, GitLab API, ...).
 *
 * - If the method can't parse the `current` version, it will execute the **then** part.
 * - If the method can't parse the `minimumRequiredVersion`, it will throw an assertion error.
 *
 * @param current the version this extension uses
 * @param minimumRequiredVersion the version where `then` code block can execute safely
 * @param then code to be executed on the the minimumRequiredVersion or higher
 * @param otherwise code to be executed on lower versions
 * @returns
 */
export declare function ifVersionGte<T>(current: string | undefined, minimumRequiredVersion: string, then: () => T, otherwise: () => T): T;