fix: add correct signature for custom error message handler

Author: hpohlmeyer

Diff for: src/decorator/ValidationOptions.ts

@@ -1,3 +1,5 @@
+import {ValidationArguments} from "../validation/ValidationArguments";
+
 /**
  * Options used to pass to validation decorators.
  */
@@ -10,13 +12,9 @@ export interface ValidationOptions {
 
     /**
      * Error message used to be used on validation fail.
-     * You can use "$value" to use value that was failed by validation.
-     * You can use "$constraint1" and "$constraint2" keys in the message string,
-     * and they will be replaced with constraint values if they exist.
      * Message can be either string, either a function that returns a string.
-     * Second option allows to use values and custom messages depend of them.
      */
-    message?: string|((value?: any, constraint1?: any, constraint2?: any) => string);
+    message?: string | ((validationArguments: ValidationArguments) => string);
 
     /**
      * Validation groups used for this validation.
@@ -32,4 +30,4 @@ export interface ValidationOptions {
      * A transient set of data passed through to the validation result for response mapping
      */
     context?: any;
-}
+}