export declare const MetadataV3: {
    projectVersion: string;
    unSupprotVersion: string;
    platformVersion: {
        vs: string;
        vsc: string;
        cli: string;
        cli_help: string;
    };
    configFile: string;
    localConfigFile: string;
    testToolConfigFile: string;
    sandboxConfigFile: string;
    defaultEnvironmentFolder: string;
    envFilePrefix: string;
    secretFileSuffix: string;
    projectId: string;
    teamsManifestFolder: string;
    teamsManifestFileName: string;
    aadManifestFileName: string;
    v3UpgradeWikiLink: string;
    secretFileComment: string;
    secretComment: string;
    envFileDevComment: string;
    envFileLocalComment: string;
};
export declare const MetadataV2: {
    projectVersion: string;
    projectMaxVersion: string;
    platformVersion: {
        vs: string;
        vsc: string;
        cli: string;
        cli_help: string;
    };
    configFolder: string;
    stateFolder: string;
    userdataSuffix: string;
    configFile: string;
    updateToolkitLink: string;
    aadTemplateFileName: string;
};
export declare const MetadataV3Abandoned: {
    projectVersion: string;
    configFolder: string;
    configFile: string;
};
export declare const MetadataV4: {
    configFile: string;
    localConfigFile: string;
    testToolConfigFile: string;
    sandboxConfigFile: string;
};
export declare const YamlFileNames: string[];
export declare const YamlFileNamesV3: string[];
export declare const YamlFileNamesV4: string[];
export declare function isYamlFileName(fileName: string): boolean;
export declare function isYamlFileNameV3(fileName: string): boolean;
export declare function isYamlFileNameV4(fileName: string): boolean;
export declare enum VersionState {
    compatible = 0,
    upgradeable = -1,
    unsupported = 1
}
export declare enum VersionSource {
    projectSettings = 0,
    teamsapp = 1,
    unknown = 2,
    settings = 3
}
export interface VersionInfo {
    version: string;
    source: VersionSource;
}
//# sourceMappingURL=versionMetadata.d.ts.map