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diff --git a/release-notes/7.0/preview/api-diff/rc1/Microsoft.AspNetCore.App/7.0-rc1_Microsoft.AspNetCore.OutputCaching.md b/release-notes/7.0/preview/api-diff/rc1/Microsoft.AspNetCore.App/7.0-rc1_Microsoft.AspNetCore.OutputCaching.md
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+++ b/release-notes/7.0/preview/api-diff/rc1/Microsoft.AspNetCore.App/7.0-rc1_Microsoft.AspNetCore.OutputCaching.md
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+# Microsoft.AspNetCore.OutputCaching
+
+``` diff
+ namespace Microsoft.AspNetCore.OutputCaching {
+     public sealed class CacheVaryByRules {
++        public StringValues HeaderNames { [CompilerGeneratedAttribute] get; [CompilerGeneratedAttribute] set; }
+-        public StringValues Headers { [CompilerGeneratedAttribute] get; [CompilerGeneratedAttribute] set; }
++        public StringValues RouteValueNames { [CompilerGeneratedAttribute] get; [CompilerGeneratedAttribute] set; }
+     }
+     [AttributeUsageAttribute(68, AllowMultiple=false, Inherited=true)]
+     public sealed class OutputCacheAttribute : Attribute {
++        public string[]? VaryByHeaderNames { [CompilerGeneratedAttribute] get; [CompilerGeneratedAttribute] set; }
+-        public string[]? VaryByHeaders { [CompilerGeneratedAttribute] get; [CompilerGeneratedAttribute] set; }
++        public string[]? VaryByRouteValueNames { [CompilerGeneratedAttribute] get; [CompilerGeneratedAttribute] set; }
+     }
+     public sealed class OutputCacheContext {
++        public OutputCacheContext();
+-        public CacheVaryByRules CacheVaryByRules { [CompilerGeneratedAttribute] get; [CompilerGeneratedAttribute] set; }
++        public CacheVaryByRules CacheVaryByRules { [CompilerGeneratedAttribute] get; }
+-        public HttpContext HttpContext { [CompilerGeneratedAttribute] get; }
++        public required HttpContext HttpContext { [CompilerGeneratedAttribute] get; [CompilerGeneratedAttribute] set; }
+-        public DateTimeOffset? ResponseTime { [CompilerGeneratedAttribute] get; }
++        public DateTimeOffset? ResponseTime { [CompilerGeneratedAttribute] get; [CompilerGeneratedAttribute] set; }
+     }
+     public sealed class OutputCachePolicyBuilder {
++        public OutputCachePolicyBuilder Cache();
+-        public OutputCachePolicyBuilder VaryByHeader(params string[] headers);
++        public OutputCachePolicyBuilder VaryByHeader(params string[] headerNames);
++        public OutputCachePolicyBuilder VaryByRouteValue(params string[] routeValueNames);
+-        public OutputCachePolicyBuilder With(Func<OutputCacheContext, CancellationToken, Task<bool>> predicate);
++        public OutputCachePolicyBuilder With(Func<OutputCacheContext, CancellationToken, ValueTask<bool>> predicate);
+     }
+ }
+```
+