`/v1/advisories/{id}/packages/{package}/applicability` — the matcher-owned typed applicability projection for one expanded package group, loaded lazily and separately from the advisory detail and package windows.

{  "canonical_id": "string",  "latest_status": "affected",  "package_name": "string",  "release_axis": null,  "source_total": 0,  "sources": [    {      "applicability": "string",      "comparator": "string",      "contributes_to_match": true,      "identity": {        "coordinates": null,        "ecosystem": "string",        "kind": "string",        "position": 0,        "primary": true,        "provenance": {          "availability": "string",          "confidence": 0,          "review": null,          "source": "string",          "source_evidence": [            "string"          ]        },        "role": "string",        "value": "string",        "verified": true      },      "observed_affected_version_count": 0,      "provenance": {        "job_kind": "string",        "job_run_id": "string",        "matcher": "string",        "matcher_version": "string",        "produced_at": "2019-08-24T14:15:22Z"      },      "ranges": [        {          "boundaries": [            {              "boundary_index": 0,              "comparison_state": "string",              "inclusive": true,              "kind": "string",              "observed_release_index": 0,              "publication": null,              "raw_value": "string",              "side": "string",              "source_boundary_kind": "string",              "source_event_index": 0,              "unbounded": true            }          ],          "range_type": "string",          "source_range_index": 0        }      ],      "remediation": null,      "run_total": 0,      "runs": [        {          "end_release_index": 0,          "end_version": "string",          "release_count": 0,          "start_release_index": 0,          "start_version": "string"        }      ],      "source_advisory_id": "string",      "source_affected_index": 0,      "source_kind": "string",      "version_total": 0,      "versions": [        {          "observed_release_index": 0,          "origin": "string",          "raw_version": "string",          "source_version_index": 0        }      ]    }  ],  "stale_inputs": [    "release_universe"  ],  "status": "available",  "union": null}