private void ensureFloatValIsMutable(int capacity) {
      if (!floatVal_.isModifiable()) {
        floatVal_ = makeMutableCopy(floatVal_, capacity);
      }
      bitField0_ |= 0x00000020;
    }
<pre>
[STRING][google.cloud.aiplatform.v1.Tensor.DataType.STRING]
</pre>

<code>repeated bytes bytes_val = 15;</code>

@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Tensor.java