添加 EditorConfig 配置。

.editorconfig

@@ -0,0 +1,12 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = false
+insert_final_newline = true

src/main/java/xyz/zhouxy/plusone/validator/MapValidator.java

@@ -35,6 +35,7 @@ public class MapValidator {
         this.rules.add(rule);
     }
 
+    @SuppressWarnings("unchecked")
     protected final <R> ObjectValidator<Map<String, Object>, R> ruleFor(String key) {
         ObjectValidator<Map<String, Object>, R> validValueHolder = new ObjectValidator<>(map -> (R) map.get(key));
         propertyValidators.add(validValueHolder);
@@ -65,6 +66,7 @@ public class MapValidator {
         return validValueHolder;
     }
 
+    @SuppressWarnings("unchecked")
     protected final <E> CollectionValidator<Map<String, Object>, E> ruleForCollection(String key) {
         CollectionValidator<Map<String, Object>, E> validValueHolder = new CollectionValidator<>(m -> (Collection<E>) m.get(key));
         propertyValidators.add(validValueHolder);