---
id: agent-brief/practice-pattern-interface-deprecation-strangler
artifact_id: practice-pattern/interface-deprecation-strangler
source_path: patterns/InterfaceDeprecationStrangler.md
source_kind: practice-pattern
generated: true
---

<!-- GENERATED by info_tech_canon; do not edit by hand. -->

# Agent Brief: InterfaceDeprecationStrangler

- Artifact ID: `practice-pattern/interface-deprecation-strangler`
- Kind: `practice-pattern`
- Canonical path: `patterns/InterfaceDeprecationStrangler.md`
- Full source: `patterns/InterfaceDeprecationStrangler.md`
- Summary: Reusable canon PracticePattern: InterfaceDeprecationStrangler.

## Retrieval Hints

Imports and anchors:
- `model/devsecops`
- `model/governance`
- `model/observability`
- `scheme/practice-pattern`

## Owned Concepts

- `InterfaceDeprecationStrangler`

## Related Distinctions

- **Interface deprecation vs retirement vs removal**: Deprecation guides and observes callers, retirement ends legacy behavior while retaining a metered tombstone, and removal deletes that tombstone only after the evidence gate passes.