Defined in vss.d.ts
Represents a VSTS "extension" which is a container for contributions and contribution types
extensionId: string. The friendly extension ID for this extension - unique for a given publisher.
extensionName: string. The display name of the extension.
flags: ExtensionFlags. Extension flags relevant to contribution consumers
id: string. Globally unique ID for this extension (the same ID is used for all versions of a single extension)
publisherId: string. Unique ID of the publisher of this extension
publisherName: string. The display name of the publisher
registrationId: string. Unique ID for this extension (the same ID is used for all versions of a single extension)
version: string. Version of this extension