ConstraintWrites

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

def list[A](implicit writes: Writes[A]): Writes[List[A]]

def map[A](implicit writes: Writes[A]): OWrites[Map[String, A]]

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

def of[A](implicit w: Writes[A]): Writes[A]

def optionWithNull[A](implicit wa: Writes[A]): Writes[Option[A]]

Pure Option Writer[T] which writes "null" when None which is different from JsPath.writeNullable which omits the field when None

def pruned[A](implicit w: Writes[A]): Writes[A]

def pure[A](fixed: ⇒ A)(implicit wrs: Writes[A]): Writes[JsValue]

def seq[A](implicit writes: Writes[A]): Writes[Seq[A]]

def set[A](implicit writes: Writes[A]): Writes[Set[A]]

final def synchronized[T0](arg0: ⇒ T0): T0

def toString(): String

final def wait(): Unit

final def wait(arg0: Long, arg1: Int): Unit

final def wait(arg0: Long): Unit

def finalize(): Unit