bool ICollection <KeyValuePair <string, string> > .Remove(KeyValuePair <string, string> item) => KvpCollection.Remove(item);
bool ICollection <KeyValuePair <string, string> > .Contains(KeyValuePair <string, string> item) => KvpCollection.Contains(item);
void ICollection <KeyValuePair <string, string> > .CopyTo(KeyValuePair <string, string>[] array, int arrayIndex) => KvpCollection.CopyTo(array, arrayIndex);
void ICollection <KeyValuePair <string, string> > .Add(KeyValuePair <string, string> item) => KvpCollection.Add(item);