question: public boolean assignIfBestMatch ( MethodDeclaration declaration ) { assert ! finalized : "Assigning on a method that has already been finalized" ; if ( ! isMatch ( declaration . getParameters ( ) ) ) { return false ; } if ( this . bestMatchMethod . isPresent ( ) ) { if ( this . bestMatchMethod . get ( ) . getParameters ( ) . size ( ) > declaration . getParameters ( ) . size ( ) ) { return false ; } } this . bestMatchMethod = Optional . of ( declaration ) ; return true ; }
target:  Assigns this MethodDeclaration if it is a match to the params defined for this method.