text = null - retrun false

src/libraries/Microsoft.Extensions.Primitives/ref/Microsoft.Extensions.Primitives.cs

@@ -60,8 +60,8 @@ public partial interface IChangeToken
         public static bool Equals(Microsoft.Extensions.Primitives.StringSegment a, Microsoft.Extensions.Primitives.StringSegment b, System.StringComparison comparisonType) { throw null; }
         public bool Equals(Microsoft.Extensions.Primitives.StringSegment other, System.StringComparison comparisonType) { throw null; }
         public override bool Equals([System.Diagnostics.CodeAnalysis.NotNullWhen(true)] object? obj) { throw null; }
-        public bool Equals(string? text) { throw null; }
-        public bool Equals(string text, System.StringComparison comparisonType) { throw null; }
+        public bool Equals([System.Diagnostics.CodeAnalysis.NotNullWhen(true)] string? text) { throw null; }
+        public bool Equals([System.Diagnostics.CodeAnalysis.NotNullWhen(true)] string? text, System.StringComparison comparisonType) { throw null; }
         public override int GetHashCode() { throw null; }
         public int IndexOf(char c) { throw null; }
         public int IndexOf(char c, int start) { throw null; }

src/libraries/Microsoft.Extensions.Primitives/src/StringSegment.cs

@@ -241,7 +241,7 @@ public static bool Equals(StringSegment a, StringSegment b, StringComparison com
         /// </summary>
         /// <param name="text">The <see cref="string"/> to compare with the current <see cref="StringSegment"/>.</param>
         /// <returns><see langword="true" /> if the specified <see cref="string"/> is equal to the current <see cref="StringSegment"/>; otherwise, <see langword="false" />.</returns>
-        public bool Equals(string text)
+        public bool Equals([NotNullWhen(true)] string? text)
         {
             return Equals(text, StringComparison.Ordinal);
         }
@@ -256,11 +256,11 @@ public bool Equals(string text)
         /// <paramref name="text"/> is <see langword="null" />.
         /// </exception>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public bool Equals(string text, StringComparison comparisonType)
+        public bool Equals([NotNullWhen(true)] string? text, StringComparison comparisonType)
         {
             if (text == null)
             {
-                ThrowHelper.ThrowArgumentNullException(ExceptionArgument.text);
+                return false;
             }
 
             if (!HasValue)