val is_invalid_syntax : t -> bool
val is_not_a_record : t -> bool
val is_not_an_array : t -> bool
val is_no_such_field_in_record : t -> bool
val is_invalid_syntax : t -> bool
val is_not_a_record : t -> bool
val is_not_an_array : t -> bool
val is_no_such_field_in_record : t -> bool