Unspecified.

Non-transactional: The mutations may not apply as all or none.

Transactional: The mutations are either all applied, or none are applied.

The results are required to satisfy each of the combined filters.

Unspecified.

The key and properties.

Only the key.

A projected subset of properties.

Unspecified.

Equal.

Greater than.

Greater than or equal.

Has ancestor.

Less than.

Less than or equal.

Unspecified.

Ascending.

Descending.

Unspecified.

The query is finished, but there may be more results after the end cursor.

The query is finished, but there may be more results after the limit.

Unspecified.

The query is finished, and there are no more results.

There may be additional batches to fetch from this query.

Eventual consistency.

Unspecified.

Strong consistency.

The request for [Datastore.AllocateIds][google.datastore.v1beta3.Datastore.AllocateIds].

The response for [Datastore.AllocateIds][google.datastore.v1beta3.Datastore.AllocateIds].

An array value.

The request for [Datastore.BeginTransaction][google.datastore.v1beta3.Datastore.BeginTransaction].

The response for [Datastore.BeginTransaction][google.datastore.v1beta3.Datastore.BeginTransaction].

The request for [Datastore.Commit][google.datastore.v1beta3.Datastore.Commit].

The response for [Datastore.Commit][google.datastore.v1beta3.Datastore.Commit].

A filter that merges multiple other filters using the given operator.

A Datastore data object.

The result of fetching an entity from Datastore.

A holder for any type of filter.

A [GQL query](https://cloud.google.com/datastore/docs/apis/gql/gql_reference).

A binding parameter for a GQL query.

A unique identifier for an entity.

A (kind, ID/name) pair used to construct a key path.

A representation of a kind.

The request for [Datastore.Lookup][google.datastore.v1beta3.Datastore.Lookup].

The response for [Datastore.Lookup][google.datastore.v1beta3.Datastore.Lookup].

A mutation to apply to an entity.

The result of applying a mutation.

A partition ID identifies a grouping of entities.

A representation of a property in a projection.

A filter on a specific property.

The desired order for a specific property.

A reference to a property relative to the kind expressions.

A query for entities.

A batch of results produced by a query.

The options shared by read requests.

The request for [Datastore.ReserveIds][google.datastore.v1beta3.Datastore.ReserveIds].

The response for [Datastore.ReserveIds][google.datastore.v1beta3.Datastore.ReserveIds].

The request for [Datastore.Rollback][google.datastore.v1beta3.Datastore.Rollback].

The response for [Datastore.Rollback][google.datastore.v1beta3.Datastore.Rollback].

The request for [Datastore.RunQuery][google.datastore.v1beta3.Datastore.RunQuery].

The response for [Datastore.RunQuery][google.datastore.v1beta3.Datastore.RunQuery].

Options for beginning a new transaction.

Options specific to read-only transactions.

Options specific to read / write transactions.

A message that can hold any of the supported value types and associated metadata.

The modes available for commits.

A composite filter operator.

Specifies what data the 'entity' field contains.

A property filter operator.

The sort direction.

The possible values for the `more_results` field.

The possible values for read consistencies.