sig/headers.rbs in httpx-0.15.4 vs sig/headers.rbs in httpx-0.16.0

@@ -10,26 +10,26 @@
 
     def []: (headers_key field) -> _ToS?
     def []=: (headers_key field, headers_value value) -> void
 
     def add: (headers_key field, string value) -> void
-    def delete: (headers_key field) -> void
+    def delete: (headers_key field) -> Array[String]?
 
-    def each: (?_Each[headers_key, String]? extra_headers) { (headers_key, String) -> void } -> void
-            | (?_Each[headers_key, String]? extra_headers) -> Enumerable[[headers_key, String], void]
+    def each: (?_Each[[headers_key, String]]? extra_headers) { (headers_key, String) -> void } -> void
+            | (?_Each[[headers_key, String]]? extra_headers) -> Enumerable[[headers_key, String]]
 
     def get: (headers_key field) -> Array[String]
     def key?: (headers_key downcased_key) -> bool
 
-    def merge: (_Each[headers_key, headers_value] other) -> Headers
+    def merge: (_Each[[headers_key, headers_value]] other) -> Headers
 
     def same_headers?: (untyped headers) -> bool
 
     def to_a: () -> Array[[headers_key, String]]
     def to_hash: () -> Hash[headers_key, String]
     alias to_h to_hash
 
-    def inspect: () -> String 
+    def inspect: () -> String
 
     private
 
     def initialize: (headers?) -> untyped
     def array_value: (headers_value) -> Array[String]