Make isValidDrop function a static function
Make isValidDrop function a static function

davidottogonzalez/ATP,davidottogonzalez/Audience-Studio-Query-Builder,davidottogonzalez/Audience-Studio-Query-Builder,davidottogonzalez/ATP,davidottogonzalez/Audience-Studio-Query-Builder,davidottogonzalez/Audience-Studio-Query-Builder,davidottogonzalez/ATP,davidottogonzalez/ATP