public Builder setDriveId(java.lang.String value) {
        if (value == null) {
          throw new NullPointerException();
        }
        driveSourceCase_ = 8;
        driveSource_ = value;
        onChanged();
        return this;
      }
<pre>
The ID of the drive to download from.
</pre>

<code>string drive_id = 8;</code>

@param value The driveId to set.
@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SharePointSources.java