def get_field_deserializers(self,) -> dict[str, Callable[[ParseNode], None]]:
        """
        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        """
        from ...entity import Entity
        from .azure_usage import AzureUsage
        from .billing_reconciliation import BillingReconciliation
        from .manifest import Manifest
        from .operation import Operation

        from ...entity import Entity
        from .azure_usage import AzureUsage
        from .billing_reconciliation import BillingReconciliation
        from .manifest import Manifest
        from .operation import Operation

        fields: dict[str, Callable[[Any], None]] = {
            "manifests": lambda n : setattr(self, 'manifests', n.get_collection_of_object_values(Manifest)),
            "operations": lambda n : setattr(self, 'operations', n.get_collection_of_object_values(Operation)),
            "reconciliation": lambda n : setattr(self, 'reconciliation', n.get_object_value(BillingReconciliation)),
            "usage": lambda n : setattr(self, 'usage', n.get_object_value(AzureUsage)),
        }
        super_fields = super().get_field_deserializers()
        fields.update(super_fields)
        return fields

        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        
msgraph/generated/models/partners/billing/billing.py