GroupField

final def !=(arg0: Any): Boolean

final def ##(): Int

def +(other: String): String

def ->[B](y: B): (GroupField, B)

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

def ensuring(cond: (GroupField) ⇒ Boolean, msg: ⇒ Any): GroupField

def ensuring(cond: (GroupField) ⇒ Boolean): GroupField

def ensuring(cond: Boolean, msg: ⇒ Any): GroupField

def ensuring(cond: Boolean): GroupField

final def eq(arg0: AnyRef): Boolean

def equals(that: Any): Boolean

def finalize(): Unit

def formatted(fmtstr: String): String

final def getClass(): Class[_]

def hashCode(): Int

val idField: String

the name of the field to aggregate on

final def isInstanceOf[T0]: Boolean

val makePipe: P.Document

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

val ops: (String, AggregationFramework.GroupFunction)*

the sequence of operators specifying aggregate calculation

def productArity: Int

def productElement(n: Int): Any

def productIterator: Iterator[Any]

def productPrefix: String

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

def toParArray: ParArray[T]

def toString(): String

final def wait(): Unit

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

final def wait(arg0: Long): Unit

def →[B](y: B): (GroupField, B)

def _1: String

def _2: Seq[(String, AggregationFramework.GroupFunction)]

def canEqual(that: Any): Boolean