The time at which the server processed the request, with millisecond precision.

Unspecified.

Ascending.

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

Unspecified.

Descending.

Unspecified.

Equal.

Greater than.

Greater than or equal.

Less than.

Less than or equal.

Unspecified.

Test if a field is equal to NaN.

Test if an exprestion evaluates to Null.

Unspecified.

The targets have been added.

The targets reflect all changes committed before the targets were added to the stream.

No change has occurred.

The targets have been removed.

The targets have been reset, and a new initial state for the targets will be returned in subsequent changes.

An array value.

The request for [Firestore.BatchGetDocuments][google.firestore.v1beta1.Firestore.BatchGetDocuments].

The streamed response for [Firestore.BatchGetDocuments][google.firestore.v1beta1.Firestore.BatchGetDocuments].

The request for [Firestore.BeginTransaction][google.firestore.v1beta1.Firestore.BeginTransaction].

The response for [Firestore.BeginTransaction][google.firestore.v1beta1.Firestore.BeginTransaction].

The request for [Firestore.Commit][google.firestore.v1beta1.Firestore.Commit].

The response for [Firestore.Commit][google.firestore.v1beta1.Firestore.Commit].

The request for [Firestore.CreateDocument][google.firestore.v1beta1.Firestore.CreateDocument].

A position in a query result set.

The request for [Firestore.DeleteDocument][google.firestore.v1beta1.Firestore.DeleteDocument].

A Firestore document.

A [Document][google.firestore.v1beta1.Document] has changed.

A [Document][google.firestore.v1beta1.Document] has been deleted.

A set of field paths on a document.

A [Document][google.firestore.v1beta1.Document] has been removed from the view of the targets.

A transformation of a document.

A transformation of a field of the document.

A digest of all the documents that match a given target.

The request for [Firestore.GetDocument][google.firestore.v1beta1.Firestore.GetDocument].

The request for [Firestore.ListCollectionIds][google.firestore.v1beta1.Firestore.ListCollectionIds].

The response from [Firestore.ListCollectionIds][google.firestore.v1beta1.Firestore.ListCollectionIds].

The request for [Firestore.ListDocuments][google.firestore.v1beta1.Firestore.ListDocuments].

The response for [Firestore.ListDocuments][google.firestore.v1beta1.Firestore.ListDocuments].

A request for [Firestore.Listen][google.firestore.v1beta1.Firestore.Listen].

The response for [Firestore.Listen][google.firestore.v1beta1.Firestore.Listen].

A map value.

A precondition on a document, used for conditional operations.

The request for [Firestore.Rollback][google.firestore.v1beta1.Firestore.Rollback].

The request for [Firestore.RunQuery][google.firestore.v1beta1.Firestore.RunQuery].

The response for [Firestore.RunQuery][google.firestore.v1beta1.Firestore.RunQuery].

A Firestore query.

A selection of a collection, such as `messages as m1`.

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

A filter on a specific field.

A reference to a field, such as `max(messages.time) as max_time`.

A filter.

An order on a field.

The projection of document's fields to return.

A filter with a single operand.

A specification of a set of documents to listen to.

A target specified by a set of documents names.

A target specified by a query.

Targets being watched have changed.

Options for creating a new transaction.

Options for a transaction that can only be used to read documents.

Options for a transaction that can be used to read and write documents.

The request for [Firestore.UpdateDocument][google.firestore.v1beta1.Firestore.UpdateDocument].

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

A write on a document.

The request for [Firestore.Write][google.firestore.v1beta1.Firestore.Write].

The response for [Firestore.Write][google.firestore.v1beta1.Firestore.Write].

The result of applying a write.

A value that is calculated by the server.

A composite filter operator.

A sort direction.

A field filter operator.

A unary operator.

The type of change.