**Use case**

Like `date_time_input_format = 'best_effort'` but with disambiguation to American mm/dd/yyyy style.

String output_codec;
        UInt64 output_sync_interval = 16 * 1024;
        bool allow_missing_fields = false;
        String string_column_pattern;
        UInt64 output_rows_in_file = 1;
    } avro;
    String bool_true_representation = "true";
    String bool_false_representation = "false";
    struct CSV
    {
        char delimiter = ',';
        bool allow_single_quotes = true;
        bool allow_double_quotes = true;
        bool empty_as_default = false;
        bool crlf_end_of_line = false;
        bool input_format_enum_as_number = false;
        bool input_format_arrays_as_nested_csv = false;
        String null_representation = "\\N";
        char tuple_delimiter = ',';
    } csv;
    struct HiveText
    {
        char fields_delimiter = '\x01';
        char collection_items_delimiter = '\x02';
        char map_keys_delimiter = '\x03';
        Names input_field_names;
    } hive_text;
    struct Custom
    {
        std::string result_before_delimiter;