pub trait InventoryGroupsDataSink {
type E: InventoryDataSink;
type G: InventoryGroupDataSink;
// Required methods
fn end_grps(self) -> Self::E;
fn start_grp(self) -> Self::G;
}
pub trait InventoryGroupsDataSink {
type E: InventoryDataSink;
type G: InventoryGroupDataSink;
// Required methods
fn end_grps(self) -> Self::E;
fn start_grp(self) -> Self::G;
}