the predefined supplier selects all values and does not perform any kind of data transformation . input value types need to match the aggregations expected value type to make this supplier work . concode_field_sep PlaceHolder placeHolder concode_field_sep ValueOut apply concode_elem_sep Supplier<KeyIn,ValueIn,ValueOut> fromPredicate concode_elem_sep Supplier<KeyIn,ValueIn,ValueOut> fromPredicate concode_elem_sep Supplier<KeyIn,ValueIn,ValueOut> fromKeyPredicate concode_elem_sep Supplier<KeyIn,ValueIn,ValueOut> fromKeyPredicate
Supplier < KeyIn , ValueIn , ValueOut > function ( ) { return new AcceptAllSupplier ( null ) ; }