code: public final SessionEntityType getSessionEntityType(SessionEntityTypeName name) {
  
      GetSessionEntityTypeRequest request =
          GetSessionEntityTypeRequest.newBuilder()
              .setName(name == null ? null : name.toString())
              .build();
      return getSessionEntityType(request);
    }
docs: Retrieves the specified session entity type.
  
  <p>Sample code:
  
  <pre><code>
  try (SessionEntityTypesClient sessionEntityTypesClient = SessionEntityTypesClient.create()) {
  SessionEntityTypeName name = SessionEntityTypeName.of("[PROJECT]", "[SESSION]", "[ENTITY_TYPE]");
  SessionEntityType response = sessionEntityTypesClient.getSessionEntityType(name);
  }
  </code></pre>
  
  @param name Required. The name of the session entity type. Format: `projects/&lt;Project
  ID&gt;/agent/sessions/&lt;Session ID&gt;/entityTypes/&lt;Entity Type Display Name&gt;` or
  `projects/&lt;Project ID&gt;/agent/environments/&lt;Environment ID&gt;/users/&lt;User
  ID&gt;/sessions/&lt;Session ID&gt;/entityTypes/&lt;Entity Type Display Name&gt;`. If
  `Environment ID` is not specified, we assume default 'draft' environment. If `User ID` is
  not specified, we assume default '-' user.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails