`TColumn`
pt		ExportPropertyName
pt		SetbaseColumn
pt		SetcolumnId
pt		SetcolumnJsonSchema
pt		SetcolumnPropertiesJson
pt		Setdescription
pt		SetformatPattern
pt		SetgraphPredicate
pt		Setkind
pt		Setname
pt		Set_type
pt		SetvalidValues
pt		SetvalidateData

`TGoogleBaseObject`
		AllowAdditionalProperties