Defined in github.com/google/google-api-go-client/drive/v2/drive-gen.go
Fields allows partial responses to be retrieved. See
for more information.
// At most one of Media and ResumableMedia may be set. mediaType
// identifies the MIME media type of the upload, such as "image/png". If
// mediaType is "", it will be auto-detected. The provided ctx will
// supersede any context previously provided to the Context method.