2 references to Contains
System.Net.Http (1)
System\Net\Http\Headers\HttpHeadersNonValidated.cs (1)
56bool IReadOnlyDictionary<string, HeaderStringValues>.ContainsKey(string key) => Contains(key);
System.Net.WebSockets.Client (1)
System\Net\WebSockets\HttpResponseHeadersReadOnlyCollection.cs (1)
43public bool ContainsKey(string key) => _headers.Contains(key);