public Builder clearPageToken() {
      pageToken_ = getDefaultInstance().getPageToken();
      bitField0_ = (bitField0_ & ~0x00000004);
      onChanged();
      return this;
    }
<pre>
A page token, received from a previous `ViewCollectionItemsRequest` call.
Provide this to retrieve the subsequent page.

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

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

@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ViewCollectionItemsRequest.java