public java.lang.String getIndicesTensorName() {
        java.lang.Object ref = indicesTensorName_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          indicesTensorName_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
<pre>
Specifies the index of the values of the input tensor.
Required when the input tensor is a sparse representation. Refer to
Tensorflow documentation for more details:
https://www.tensorflow.org/api_docs/python/tf/sparse/SparseTensor.
</pre>

<code>string indices_tensor_name = 6;</code>

@return The indicesTensorName.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadata.java