public Builder clearToolConfig() {
      bitField0_ = (bitField0_ & ~0x00000020);
      toolConfig_ = null;
      if (toolConfigBuilder_ != null) {
        toolConfigBuilder_.dispose();
        toolConfigBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Optional. Tool config. This config is shared for all tools provided in the
request.
</pre>

<code>
.google.cloud.vertexai.v1.ToolConfig tool_config = 7 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentRequest.java