interface AnalysisSchema : Serializable {
    val topLevelReceiverType: DataClass
    val dataClassesByFqName: Map<FqName, DataClass>
    val externalFunctionsByFqName: Map<FqName, DataTopLevelFunction>
    val externalObjectsByFqName: Map<FqName, ExternalObjectProviderKey>
    val defaultImports: Set<FqName>

                onProperty(ObjectOrigin.PropertyReference(receiverOrigin, property, propertyAccess))
            }
        }

        propertyAccess.asChainOrNull()?.let { chain ->
            schema.externalObjectsByFqName[chain.asFqName()]?.let { externalObject ->
                onExternalObject(ObjectOrigin.External(externalObject, propertyAccess))
            }
        }
    }

    private

    override val topLevelReceiverType: DataClass,
    override val dataClassesByFqName: Map<FqName, DataClass>,
    override val externalFunctionsByFqName: Map<FqName, DataTopLevelFunction>,
    override val externalObjectsByFqName: Map<FqName, ExternalObjectProviderKey>,
    override val defaultImports: Set<FqName>
) : AnalysisSchema {
    companion object Empty : AnalysisSchema {