Token types that open parenthesis.
Type: array
public static $parenthesisOpeners = [ T_ARRAY => T_ARRAY, T_LIST => T_LIST, T_FUNCTION => T_FUNCTION, T_CLOSURE => T_CLOSURE, T_ANON_CLASS => T_ANON_CLASS, T_WHILE => T_WHILE, T_FOR => T_FOR, T_FOREACH => T_FOREACH, T_SWITCH => T_SWITCH, T_IF => T_IF, T_ELSEIF => T_ELSEIF, T_CATCH => T_CATCH, T_DECLARE => T_DECLARE, T_MATCH => T_MATCH, ];