diff --git a/src/@ionic-native/plugins/android-fingerprint-auth/index.ts b/src/@ionic-native/plugins/android-fingerprint-auth/index.ts
index f29fb17f2..110b7a134 100644
--- a/src/@ionic-native/plugins/android-fingerprint-auth/index.ts
+++ b/src/@ionic-native/plugins/android-fingerprint-auth/index.ts
@@ -159,25 +159,47 @@ export interface AFADeleteOptions {
 })
 @Injectable()
 export class AndroidFingerprintAuth extends IonicNativePlugin {
+  /**
+   * Convenience property containing all possible errors
+   */
   ERRORS: {
-    BAD_PADDING_EXCEPTION: 'BAD_PADDING_EXCEPTION';
-    CERTIFICATE_EXCEPTION: 'CERTIFICATE_EXCEPTION';
-    FINGERPRINT_CANCELLED: 'FINGERPRINT_CANCELLED';
-    FINGERPRINT_DATA_NOT_DELETED: 'FINGERPRINT_DATA_NOT_DELETED';
-    FINGERPRINT_ERROR: 'FINGERPRINT_ERROR';
-    FINGERPRINT_NOT_AVAILABLE: 'FINGERPRINT_NOT_AVAILABLE';
-    FINGERPRINT_PERMISSION_DENIED: 'FINGERPRINT_PERMISSION_DENIED';
-    FINGERPRINT_PERMISSION_DENIED_SHOW_REQUEST: 'FINGERPRINT_PERMISSION_DENIED_SHOW_REQUEST';
-    ILLEGAL_BLOCK_SIZE_EXCEPTION: 'ILLEGAL_BLOCK_SIZE_EXCEPTION';
-    INIT_CIPHER_FAILED: 'INIT_CIPHER_FAILED';
-    INVALID_ALGORITHM_PARAMETER_EXCEPTION: 'INVALID_ALGORITHM_PARAMETER_EXCEPTION';
-    IO_EXCEPTION: 'IO_EXCEPTION';
-    JSON_EXCEPTION: 'JSON_EXCEPTION';
-    MINIMUM_SDK: 'MINIMUM_SDK';
-    MISSING_ACTION_PARAMETERS: 'MISSING_ACTION_PARAMETERS';
-    MISSING_PARAMETERS: 'MISSING_PARAMETERS';
-    NO_SUCH_ALGORITHM_EXCEPTION: 'NO_SUCH_ALGORITHM_EXCEPTION';
-    SECURITY_EXCEPTION: 'SECURITY_EXCEPTION';
+    BAD_PADDING_EXCEPTION: string;
+    CERTIFICATE_EXCEPTION: string;
+    FINGERPRINT_CANCELLED: string;
+    FINGERPRINT_DATA_NOT_DELETED: string;
+    FINGERPRINT_ERROR: string;
+    FINGERPRINT_NOT_AVAILABLE: string;
+    FINGERPRINT_PERMISSION_DENIED: string;
+    FINGERPRINT_PERMISSION_DENIED_SHOW_REQUEST: string;
+    ILLEGAL_BLOCK_SIZE_EXCEPTION: string;
+    INIT_CIPHER_FAILED: string;
+    INVALID_ALGORITHM_PARAMETER_EXCEPTION: string;
+    IO_EXCEPTION: string;
+    JSON_EXCEPTION: string;
+    MINIMUM_SDK: string;
+    MISSING_ACTION_PARAMETERS: string;
+    MISSING_PARAMETERS: string;
+    NO_SUCH_ALGORITHM_EXCEPTION: string;
+    SECURITY_EXCEPTION: string;
+  } = {
+    BAD_PADDING_EXCEPTION: 'BAD_PADDING_EXCEPTION',
+    CERTIFICATE_EXCEPTION: 'CERTIFICATE_EXCEPTION',
+    FINGERPRINT_CANCELLED: 'FINGERPRINT_CANCELLED',
+    FINGERPRINT_DATA_NOT_DELETED: 'FINGERPRINT_DATA_NOT_DELETED',
+    FINGERPRINT_ERROR: 'FINGERPRINT_ERROR',
+    FINGERPRINT_NOT_AVAILABLE: 'FINGERPRINT_NOT_AVAILABLE',
+    FINGERPRINT_PERMISSION_DENIED: 'FINGERPRINT_PERMISSION_DENIED',
+    FINGERPRINT_PERMISSION_DENIED_SHOW_REQUEST: 'FINGERPRINT_PERMISSION_DENIED_SHOW_REQUEST',
+    ILLEGAL_BLOCK_SIZE_EXCEPTION: 'ILLEGAL_BLOCK_SIZE_EXCEPTION',
+    INIT_CIPHER_FAILED: 'INIT_CIPHER_FAILED',
+    INVALID_ALGORITHM_PARAMETER_EXCEPTION: 'INVALID_ALGORITHM_PARAMETER_EXCEPTION',
+    IO_EXCEPTION: 'IO_EXCEPTION',
+    JSON_EXCEPTION: 'JSON_EXCEPTION',
+    MINIMUM_SDK: 'MINIMUM_SDK',
+    MISSING_ACTION_PARAMETERS: 'MISSING_ACTION_PARAMETERS',
+    MISSING_PARAMETERS: 'MISSING_PARAMETERS',
+    NO_SUCH_ALGORITHM_EXCEPTION: 'NO_SUCH_ALGORITHM_EXCEPTION',
+    SECURITY_EXCEPTION: 'SECURITY_EXCEPTION'
   };
 
   /**