def get_field_deserializers(self,) -> dict[str, Callable[[ParseNode], None]]:
        """
        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        """
        from .activity_based_timeout_policy import ActivityBasedTimeoutPolicy
        from .app_management_policy import AppManagementPolicy
        from .authorization_policy import AuthorizationPolicy
        from .claims_mapping_policy import ClaimsMappingPolicy
        from .cross_tenant_access_policy import CrossTenantAccessPolicy
        from .directory_object import DirectoryObject
        from .home_realm_discovery_policy import HomeRealmDiscoveryPolicy
        from .identity_security_defaults_enforcement_policy import IdentitySecurityDefaultsEnforcementPolicy
        from .permission_grant_policy import PermissionGrantPolicy
        from .sts_policy import StsPolicy
        from .tenant_app_management_policy import TenantAppManagementPolicy
        from .token_issuance_policy import TokenIssuancePolicy
        from .token_lifetime_policy import TokenLifetimePolicy

        from .activity_based_timeout_policy import ActivityBasedTimeoutPolicy
        from .app_management_policy import AppManagementPolicy
        from .authorization_policy import AuthorizationPolicy
        from .claims_mapping_policy import ClaimsMappingPolicy
        from .cross_tenant_access_policy import CrossTenantAccessPolicy
        from .directory_object import DirectoryObject
        from .home_realm_discovery_policy import HomeRealmDiscoveryPolicy
        from .identity_security_defaults_enforcement_policy import IdentitySecurityDefaultsEnforcementPolicy
        from .permission_grant_policy import PermissionGrantPolicy
        from .sts_policy import StsPolicy
        from .tenant_app_management_policy import TenantAppManagementPolicy
        from .token_issuance_policy import TokenIssuancePolicy
        from .token_lifetime_policy import TokenLifetimePolicy

        fields: dict[str, Callable[[Any], None]] = {
            "description": lambda n : setattr(self, 'description', n.get_str_value()),
            "displayName": lambda n : setattr(self, 'display_name', n.get_str_value()),
        }
        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/policy_base.py