import { MittwaldAPIV2, MittwaldAPIV2Client } from "@mittwald/api-client";
type MySqlVersion = MittwaldAPIV2.Components.Schemas.DatabaseMySqlVersion;
export declare function compareVersions(a: MySqlVersion, b: MySqlVersion): number;
/**
 * Determines the versions a database running `currentVersion` may be upgraded
 * to. MySQL does not support downgrades, so only newer versions are considered;
 * versions that are disabled are not offered for new upgrades.
 */
export declare function getUpgradeCandidates(versions: MySqlVersion[], currentVersion: string): MySqlVersion[];
export declare function getUpgradeCandidatesForVersion(apiClient: MittwaldAPIV2Client, currentVersion: string): Promise<MySqlVersion[]>;
export {};