public boolean hasInstancesSchema() {
        return ((bitField0_ & 0x00000001) != 0);
      }
<pre>
Cloud Storage location to a YAML file that defines the format of a single
instance used in prediction and explanation requests.
</pre>

<code>.google.cloud.visionai.v1.GcsSource instances_schema = 1;</code>

@return Whether the instancesSchema field is set.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/CustomProcessorSourceInfo.java