https://arrow.apache.org/docs/dev/c_glib/arrow-glib/method.FixedSizeBinaryArrayBuilder.append_value.html
Arrow.FixedSizeBinaryArrayBuilder.append_value
arrowappendvalue
https://arrow.apache.org/docs/dev/c_glib/arrow-glib/method.FixedSizeBinaryArrayBuilder.append_values_packed.html
Arrow.FixedSizeBinaryArrayBuilder.append_values_packed
arrowappendvaluespacked