org.apache.crunch
Interfaces 
CombineFn.Aggregator
CombineFn.AggregatorFactory
Emitter
PCollection
PGroupedTable
Pipeline
PObject
PTable
Source
SourceTarget
TableSource
Target
Tuple
Classes 
CombineFn
CombineFn.AggregatorCombineFn
CombineFn.FirstNAggregator
CombineFn.LastNAggregator
CombineFn.MaxBigInts
CombineFn.MaxDoubles
CombineFn.MaxFloats
CombineFn.MaxInts
CombineFn.MaxLongs
CombineFn.MaxNAggregator
CombineFn.MinBigInts
CombineFn.MinDoubles
CombineFn.MinFloats
CombineFn.MinInts
CombineFn.MinLongs
CombineFn.MinNAggregator
CombineFn.PairAggregator
CombineFn.QuadAggregator
CombineFn.SimpleAggregator
CombineFn.StringConcatAggregator
CombineFn.SumBigInts
CombineFn.SumDoubles
CombineFn.SumFloats
CombineFn.SumInts
CombineFn.SumLongs
CombineFn.TripAggregator
CombineFn.TupleNAggregator
DoFn
FilterFn
FilterFn.AndFn
FilterFn.NotFn
FilterFn.OrFn
GroupingOptions
GroupingOptions.Builder
MapFn
Pair
PipelineResult
PipelineResult.StageResult
Tuple3
Tuple4
TupleN