@java.lang.Override
      public int getTextCount() {
        return textCount_;
      }
<pre>
Number of text characters.
</pre>

<code>int32 text_count = 2;</code>

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