Keymaps as a clean architecture [WIP]

src/content/usecases/FindSlaveUseCase.ts

@@ -0,0 +1,20 @@
+import FindMasterClient, { FindMasterClientImpl }
+  from '../client/FindMasterClient';
+
+export default class FindSlaveUseCase {
+  private findMasterClient: FindMasterClient;
+
+  constructor({
+    findMasterClient = new FindMasterClientImpl(),
+  } = {}) {
+    this.findMasterClient = findMasterClient;
+  }
+
+  findNext() {
+    this.findMasterClient.findNext();
+  }
+
+  findPrev() {
+    this.findMasterClient.findPrev();
+  }
+}