DatapointOptionsOrBuilder

Whether this property contains a "concrete" sub-message, in which case, its properties are lifted to the parent
entity. During decoding, a property is added to indicate the concrete selection made. This is usually combined with
generic types in a one-of field, for instance, in `MenuProduct`.

Indicate to the data storage engine that a given field is ephemeral, and should not be stored, but rather held with
a calculated value for use in systems upstream from the data storage layer.

Whether this data point (model or field or enum, etc) should be considered "required" for this model to be valid.
This setting is applied in various circumstances, usually when data crosses API boundaries.

Sets the visibility options for this data point. Depending on these options, a property or model may be exposed to
invoking code, protected from rewriting, and so on.

Sets the visibility options for this data point. Depending on these options, a property or model may be exposed to
invoking code, protected from rewriting, and so on.