internal RemoveStringStartingToOccurrencePositionFrom(RemoveStringStartingToOccurrencePosition source, The position)
 {
     _source   = source;
     _position = position;
 }
 internal RemoveStringStartingToOccurrencePositionFrom(RemoveStringStartingToOccurrencePosition source, The position)
 {
     _source = source;
     _position = position;
 }