Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: mathieucarbou

src/ESPAsyncWebServer.h

@@ -87,33 +87,33 @@ class AsyncMiddlewareChain;
 // Namespace for web request method defines
 namespace AsyncWebRequestMethod {
 // The long name here is because we sometimes include this in the global namespace
-enum AsyncWebRequestMethodType {
-  HTTP_UNKNOWN = 0,
+enum AsyncWebRequestMethodType : uint32_t {
+  HTTP_UNKNOWN = 0u,
 
-  HTTP_DELETE = 1 << 0,
-  HTTP_GET = 1 << 1,
-  HTTP_HEAD = 1 << 2,
-  HTTP_POST = 1 << 3,
-  HTTP_PUT = 1 << 4,
+  HTTP_DELETE = 1u << 0,
+  HTTP_GET = 1u << 1,
+  HTTP_HEAD = 1u << 2,
+  HTTP_POST = 1u << 3,
+  HTTP_PUT = 1u << 4,
 
   /* pathological */
-  HTTP_CONNECT = 1 << 5,
-  HTTP_OPTIONS = 1 << 6,
-  HTTP_TRACE = 1 << 7,
+  HTTP_CONNECT = 1u << 5,
+  HTTP_OPTIONS = 1u << 6,
+  HTTP_TRACE = 1u << 7,
 
   /* WebDAV */
-  HTTP_COPY = 1 << 8,
-  HTTP_LOCK = 1 << 9,
-  HTTP_MKCOL = 1 << 10,
-  HTTP_MOVE = 1 << 11,
-  HTTP_PROPFIND = 1 << 12,
-  HTTP_PROPPATCH = 1 << 13,
-  HTTP_SEARCH = 1 << 14,
-  HTTP_UNLOCK = 1 << 15,
-  HTTP_BIND = 1 << 16,
-  HTTP_REBIND = 1 << 17,
-  HTTP_UNBIND = 1 << 18,
-  HTTP_ACL = 1 << 19,
+  HTTP_COPY = 1u << 8,
+  HTTP_LOCK = 1u << 9,
+  HTTP_MKCOL = 1u << 10,
+  HTTP_MOVE = 1u << 11,
+  HTTP_PROPFIND = 1u << 12,
+  HTTP_PROPPATCH = 1u << 13,
+  HTTP_SEARCH = 1u << 14,
+  HTTP_UNLOCK = 1u << 15,
+  HTTP_BIND = 1u << 16,
+  HTTP_REBIND = 1u << 17,
+  HTTP_UNBIND = 1u << 18,
+  HTTP_ACL = 1u << 19,
 
   /* subversion */
   // HTTP_REPORT
@@ -128,20 +128,20 @@ enum AsyncWebRequestMethodType {
   // HTTP_UNSUBSCRIBE
 
   /* RFC-5789 */
-  HTTP_PATCH = 1 << 20,
-  HTTP_PURGE = 1 << 21,
+  HTTP_PATCH = 1u << 20,
+  HTTP_PURGE = 1u << 21,
 
   /* CalDAV */
   // HTTP_MKCALENDAR
 
   /* RFC-2068, section 19.6.1.2 */
-  HTTP_LINK = 1 << 22,
-  HTTP_UNLINK = 1 << 23,
+  HTTP_LINK = 1u << 22,
+  HTTP_UNLINK = 1u << 23,
 
   /* icecast */
   // HTTP_SOURCE
 
-  HTTP_INVALID = 1 << 31  // Sentinel
+  HTTP_INVALID = 1u << 31  // Sentinel
 };
 
 };  // namespace AsyncWebRequestMethod