@java.lang.Override
    public int getImageCount() {
      return imageCount_;
    }
<pre>
Number of images.
</pre>

<code>int32 image_count = 3;</code>

@return The imageCount.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/CachedContent.java