public Builder clearResourceId() {
        resourceId_ = getDefaultInstance().getResourceId();
        bitField0_ = (bitField0_ & ~0x00000002);
        onChanged();
        return this;
      }
<pre>
Required. The ID of the Google Drive resource.
</pre>

<code>string resource_id = 2 [(.google.api.field_behavior) = REQUIRED];</code>

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