# Incompatible Interfaces

> A precondition of two interfaces that must cooperate yet expose mismatched signatures.

Record: `lexicon:incompatible-interfaces`
Kind: constraint
Layer: [Design Patterns Core](https://banes-lab.com/records/layer/design-patterns-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-incompatible-interfaces

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Common Interface](https://banes-lab.com/records/lexicon/common-interface.md) and before [Independent Variation Axes](https://banes-lab.com/records/lexicon/independent-variation-axes.md).

## Category

- [Structural Patterns](https://banes-lab.com/records/lexicon-category/structural-patterns.md)

## Required by

- [Adapter Pattern](https://banes-lab.com/records/architecture/adapter-pattern.md)

## Linked from

- [Core Modular Design](https://banes-lab.com/ontology/principles/architecture-category-core-modular-design.md)
- [Structural Patterns](https://banes-lab.com/ontology/principles/architecture-category-structural-patterns.md)