`TProposal`
pt		SetbilledBuyer
pt		Setbuyer
pt		SetbuyerContacts
pt		SetbuyerPrivateData
pt		SethasBuyerSignedOff
pt		SethasSellerSignedOff
pt		SetinventorySource
pt		SetisRenegotiating
pt		SetisSetupComplete
pt		Setkind
pt		Setlabels
pt		SetlastUpdaterOrCommentorRole
pt		Setname
pt		SetnegotiationId
pt		SetoriginatorRole
pt		SetprivateAuctionId
pt		SetproposalId
pt		SetproposalState
pt		SetrevisionNumber
pt		SetrevisionTimeMs
pt		Setseller
pt		SetsellerContacts

`TGoogleBaseObject`
		AllowAdditionalProperties