Label attaches schema information and/or other metadata to segments
within a Document.
Multiple Labels on
a single field can denote either different labels, different
instances of the same label created at different times, or some
combination of both.
Label is generated AutoML model. This field stores the full
resource name of the AutoML model.
This field is a member of oneof_ source.
Name of the label.
When the label is generated from AutoML Text
Classification model, this field represents the
name of the category.
Confidence score between 0 and 1 for label