public java.lang.String getBucket() {
        java.lang.Object ref = bucket_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          bucket_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
<pre>
Required. Bucket name for the objects to be transformed.
</pre>

<code>string bucket = 1 [(.google.api.field_behavior) = REQUIRED];</code>

@return The bucket.
java-storagebatchoperations/proto-google-cloud-storagebatchoperations-v1/src/main/java/com/google/cloud/storagebatchoperations/v1/BucketList.java