@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
    }
    if (pageSize_ != 0) {
      output.writeInt32(2, pageSize_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, pageToken_);
    }
    getUnknownFields().writeTo(output);
  }
<pre>
A page token, received from a previous `ListDataSchemas` call.
Provide this to retrieve the subsequent page.

When paginating, all other parameters provided to `ListDataSchemas` must
match the call that provided the page token.
</pre>

<code>string page_token = 3;</code>

@return The bytes for pageToken.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ListDataSchemasRequest.java