str
Required. The backup's project and location, in the format
projects/{project_number}/locations/{location}. In
Filestore, backup locations map to Google Cloud regions, for
example **us-west1**.
str
Required. The ID to use for the backup. The ID must be
unique within the specified project and location.
This value must start with a lowercase letter followed by up
to 62 lowercase letters, numbers, or hyphens, and cannot end
with a hyphen. Values that do not match this pattern will
trigger an INVALID_ARGUMENT error.