type SupportedReactVersion = keyof typeof versionsConfig; export type ReactVersionConfig = (typeof versionsConfig)[SupportedReactVersion]; export declare function getReactMajorVersion(): number; export declare function isSupportedReactVersion(majorVersion: number): majorVersion is SupportedReactVersion; export declare const versionsConfig: { 17: { server: string; client: string; }; 18: { server: string; client: string; }; 19: { server: string; client: string; }; }; export {};