public java.lang.String getInputResourceBinding() {
        java.lang.Object ref = inputResourceBinding_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          inputResourceBinding_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
<pre>
The specific input resource binding which will consume the current Input
Resource, can be ignored is there is only 1 input binding.
</pre>

<code>string input_resource_binding = 3;</code>

@return The inputResourceBinding.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/Instance.java