Defined in vss.d.ts
NoneNo flags set
DisabledExtension is disabled
BuiltInExtension is a built in
MultiVersionExtension has multiple versions
UnInstalledExtension is not installed. This is for builtin extensions only and can not otherwise be set.
VersionCheckErrorError performing version check
TrustedTrusted extensions are ones that are given special capabilities. These tend to come from Microsoft and can't be published by the general public. Note: BuiltIn extensions are always trusted.