!(^|[ 	])(case|catch|default|do|else|fixed|for|foreach|if|lock|new|return|switch|throw|using|while)([ 	(]|$)
^[ 	]*(((abstract|internal|private|protected|public|sealed|static|unsafe|partial)[ 	]+)*(class|enum|interface|struct|record)[ 	]+.*)$
^[ 	]*(namespace[ 	]+.*)$
^[ 	]*([]@.[:alnum:]_[]+(<[],@[:alnum:]_<> 	[]+>[]@.[:alnum:]_[]*)*([ 	]+[]@.[:alnum:]_[]+(<[],@[:alnum:]_<> 	[]+>[]@.[:alnum:]_[]*)*)*[ 	]+[]@.[:alnum:]_[]+(<[],@[:alnum:]_<> 	[]+>[]@.[:alnum:]_[]*)*[ 	]*\([^;]*)$
^[ 	]*([]@.[:alnum:]_[]+(<[],@[:alnum:]_<> 	[]+>[]@.[:alnum:]_[]*)*([ 	]+[]@.[:alnum:]_[]+(<[],@[:alnum:]_<> 	[]+>[]@.[:alnum:]_[]*)*)+[^;=:,()]*)$