question: @ Override public Node importTo ( Document hostDocument ) { ValidateUtil . validateNotNull ( hostDocument , "Host document" ) ; Element clonedTokenElement = ( Element ) hostDocument . importNode ( _parsedToken . getDocumentElement ( ) , true ) ; markAssertionIdAttribute ( clonedTokenElement ) ; return clonedTokenElement ; }
target:  Imports a copy of the XML representation of the token into the given document as a first child of the provided node <p> The copied token signature will remain valid if the original one was.