The type of Geo Taxonomy: GLOBAL, REGIONAL, or MULTI_REGIONAL.
Values:
TYPE_UNSPECIFIED (0):
The type is not specified.
GLOBAL (1):
The sku is global in nature, e.g. a license
sku. Global skus are available in all regions,
and so have an empty region list.
REGIONAL (2):
The sku is available in a specific region,
e.g. "us-west2".
MULTI_REGIONAL (3):
The sku is associated with multiple regions,
e.g. "us-west2" and "us-east1".