feat: added deployment API (#330)

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PiperOrigin-RevId: 400785744

Source-Link: googleapis/googleapis@bf8851e

Source-Link: googleapis/googleapis-gen@139bae1
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMTM5YmFlMTg0MGU3ODg3ODk0ZmU2MzhkZjg5MGJiYWUwMzNjNzNkZSJ9

feat: exposed DTMF input info in the query result
docs: added notes on long running operation

google-cloud-dialogflow-cx/src/main/java/com/google/cloud/dialogflow/cx/v3/AgentsClient.java

@@ -671,7 +671,9 @@ public final UnaryCallable<DeleteAgentRequest, Empty> deleteAgentCallable() {
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Exports the specified agent to a binary file. This method is a [long-running
+   * Exports the specified agent to a binary file.
+   *
+   * <p>This method is a [long-running
    * operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The
    * returned `Operation` type has the following method-specific fields:
    *
@@ -705,7 +707,9 @@ public final OperationFuture<ExportAgentResponse, Struct> exportAgentAsync(
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Exports the specified agent to a binary file. This method is a [long-running
+   * Exports the specified agent to a binary file.
+   *
+   * <p>This method is a [long-running
    * operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The
    * returned `Operation` type has the following method-specific fields:
    *
@@ -739,7 +743,9 @@ public final OperationFuture<ExportAgentResponse, Struct> exportAgentAsync(
 
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
-   * Exports the specified agent to a binary file. This method is a [long-running
+   * Exports the specified agent to a binary file.
+   *
+   * <p>This method is a [long-running
    * operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The
    * returned `Operation` type has the following method-specific fields:
    *
@@ -776,6 +782,15 @@ public final UnaryCallable<ExportAgentRequest, Operation> exportAgentCallable()
    * <p>Replaces the current agent with a new one. Note that all existing resources in agent (e.g.
    * intents, entity types, flows) will be removed.
    *
+   * <p>This method is a [long-running
+   * operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The
+   * returned `Operation` type has the following method-specific fields:
+   *
+   * <p>- `metadata`: An empty [Struct
+   * message](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#struct)
+   * - `response`: An [Empty
+   * message](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#empty)
+   *
    * <p>Note: You should always train flows prior to sending them queries. See the [training
    * documentation](https://cloud.google.com/dialogflow/cx/docs/concept/training).
    *
@@ -805,6 +820,15 @@ public final OperationFuture<Empty, Struct> restoreAgentAsync(RestoreAgentReques
    * <p>Replaces the current agent with a new one. Note that all existing resources in agent (e.g.
    * intents, entity types, flows) will be removed.
    *
+   * <p>This method is a [long-running
+   * operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The
+   * returned `Operation` type has the following method-specific fields:
+   *
+   * <p>- `metadata`: An empty [Struct
+   * message](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#struct)
+   * - `response`: An [Empty
+   * message](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#empty)
+   *
    * <p>Note: You should always train flows prior to sending them queries. See the [training
    * documentation](https://cloud.google.com/dialogflow/cx/docs/concept/training).
    *
@@ -835,6 +859,15 @@ public final OperationFuture<Empty, Struct> restoreAgentAsync(RestoreAgentReques
    * <p>Replaces the current agent with a new one. Note that all existing resources in agent (e.g.
    * intents, entity types, flows) will be removed.
    *
+   * <p>This method is a [long-running
+   * operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The
+   * returned `Operation` type has the following method-specific fields:
+   *
+   * <p>- `metadata`: An empty [Struct
+   * message](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#struct)
+   * - `response`: An [Empty
+   * message](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#empty)
+   *
    * <p>Note: You should always train flows prior to sending them queries. See the [training
    * documentation](https://cloud.google.com/dialogflow/cx/docs/concept/training).
    *