pub trait TryParseTokens {
// Required methods
fn try_parse_comma(&self) -> Option<Comma>;
fn try_parse_colon(&self) -> Option<Colon>;
fn try_parse_semi(&self) -> Option<Semi>;
fn try_parse_dot(&self) -> Option<Dot>;
fn try_parse_eq(&self) -> Option<Eq>;
fn try_parse_question(&self) -> Option<Question>;
fn try_parse_warning(&self) -> Option<Not>;
fn try_parse_dollar(&self) -> Option<Dollar>;
}