public Builder clearFileUri() {
      fileUri_ = getDefaultInstance().getFileUri();
      bitField0_ = (bitField0_ & ~0x00000002);
      onChanged();
      return this;
    }
<pre>
Required. URI.
</pre>

<code>string file_uri = 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/FileData.java