Protected MustOverride Function CreateDescription ( _
    <OutAttribute> ByRef implementedContracts As IDictionary(Of String, ContractDescription) _
) As ServiceDescription

Dim implementedContracts As IDictionary(Of String, ContractDescription)
Dim returnValue As ServiceDescription

returnValue = Me.CreateDescription(implementedContracts)

protected abstract ServiceDescription CreateDescription(
    out IDictionary<string, ContractDescription> implementedContracts
)

protected:
virtual ServiceDescription^ CreateDescription(
    [OutAttribute] IDictionary<String^, ContractDescription^>^% implementedContracts
) abstract

protected abstract function CreateDescription(
    implementedContracts : IDictionary<String, ContractDescription>
) : ServiceDescription