MatchPattern: &matcher.StringMatcher_Exact{
			Exact: exact,
		},
	}
}

// StringMatcherWithPrefix creates a string matcher for v with the extra prefix inserted to the
// created string matcher, note the prefix is ignored if v is wildcard ("*").
// The wildcard "*" will be generated as ".+" instead of ".*".
func StringMatcherWithPrefix(v, prefix string) *matcher.StringMatcher {
	switch {