Enumerate Metasys network devices and engines with correct filtering and paging

Documented steps

1. Authenticate and GET {base}/networkDevices.
2. Filter by role with classification (array; values device, integration, server, controller) or by type with objectType (values from objectTypeEnumSet, e.g. objectTypeEnumSet.bacnetIntegrationClass). These two parameters are mutually exclusive - sending both is invalid.
3. Page with page (1-based, default 1) and pageSize (default 100, minimum 1, maximum 1000).
4. Sort with sort; valid values are name, -name, itemReference, -itemReference, categoryId, -categoryId, firmwareVersion, -firmwareVersion, typeId, -typeId. Default is name.
5. On Metasys 15.0 and later, set includeIncomplete=true to also return devices that have not yet synchronized their archive with the Site Director. Those entries use the incompleteNetworkDevice schema and carry fewer fields.
6. Read the envelope: {total, items[], next, previous, self, effectivePermissions}. effectivePermissions is a set of arrays (canDelete, canView, canModify) of device ids, not a per-item boolean.
7. Follow 'next' until it is null rather than incrementing page blindly.
8. Descend the hierarchy with GET {base}/networkDevices/{networkDeviceId}/networkDevices, which supports page, pageSize and sort but not the classification/objectType/includeIncomplete filters.
9. From a device, reach its objects and spaces via the relationship links on the payload (objectsUrl and GET /networkDevices/{networkDeviceId}/spaces).
10. Reference: https://jci-metasys.github.io/api-landing/api/v6-16 (Metasys REST API, 'Version 6 for 16.0', OpenAPI 3.0.3). Doc set index: https://jci-metasys.github.io/api-landing/ | changelog: https://jci-metasys.github.io/api-landing/guides/api-changelog/ | version support: https://jci-metasys.github.io/api-landing/guides/version-support-matrix/ | polling and streaming limits: https://jci-metasys.github.io/api-landing/guides/attribute-access-guidelines/