public override string ToString() {
StringBuilder sb = new StringBuilder("Mutation(");
sb.Append("Column_or_supercolumn: ");
sb.Append(Column_or_supercolumn== null ? "<null>" : Column_or_supercolumn.ToString());
sb.Append(",Deletion: ");
sb.Append(Deletion== null ? "<null>" : Deletion.ToString());
sb.Append(")");
return sb.ToString();
}
