# IArrayMergeStrategy

Interface for merging arrays.

- Source: [`core/lib/mixins/property-merge-strategy.ts`](https://github.com/aws/aws-cdk/blob/v2.274.0/packages/aws-cdk-lib/core/lib/mixins/property-merge-strategy.ts#L41)
- Type last changed: v2.254.0 · 13 May 2026

## Methods

- `merge(target: any[], source: any[]): any[]` — Merge source array into target array.