public Builder clearEndIndex() {
      bitField0_ = (bitField0_ & ~0x00000002);
      endIndex_ = 0;
      onChanged();
      return this;
    }
<pre>
Output only. End index into the content.
</pre>

<code>int32 end_index = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Citation.java