diff --git a/src/trait_manager/config/config.js b/src/trait_manager/config/config.js
deleted file mode 100644
index f73e8ef6f..000000000
--- a/src/trait_manager/config/config.js
+++ /dev/null
@@ -1,10 +0,0 @@
-export default {
-  stylePrefix: 'trt-',
-
-  // Specify the element to use as a container, string (query) or HTMLElement
-  // With the empty value, nothing will be rendered
-  appendTo: '',
-
-  // Default options for the target input
-  optionsTarget: [{ value: false }, { value: '_blank' }],
-};
diff --git a/src/trait_manager/config/config.ts b/src/trait_manager/config/config.ts
new file mode 100644
index 000000000..88ab1a933
--- /dev/null
+++ b/src/trait_manager/config/config.ts
@@ -0,0 +1,24 @@
+export interface TraitManagerConfig {
+  /**
+   * Style prefix.
+   * @default 'trt-'
+   */
+  stylePrefix?: string;
+
+  /**
+   * Specify the element to use as a container, string (query) or HTMLElement.
+   * With the empty value, nothing will be rendered.
+   * @default ''
+   */
+  appendTo?: string | HTMLElement;
+
+  optionsTarget: Record<string, any>[];
+}
+
+const config: TraitManagerConfig = {
+  stylePrefix: 'trt-',
+  appendTo: '',
+  optionsTarget: [{ value: false }, { value: '_blank' }],
+};
+
+export default config;