Code refactor and update public API interface

Author: MaggieKimani1

src/Microsoft.OpenApi/Services/OperationSearch.cs

@@ -41,7 +41,7 @@ public override void Visit(OpenApiPathItem pathItem)
                 var operation = item.Value;
                 var operationType = item.Key;
 
-                if (_predicate(CurrentKeys.Path, CurrentKeys.Operation, operation))
+                if (_predicate(CurrentKeys.Path, operationType, operation))
                 {
                     _searchResults.Add(new SearchResult()
                     {
@@ -77,7 +77,7 @@ private static CurrentKeys CopyCurrentKeys(CurrentKeys currentKeys, OperationTyp
             return new CurrentKeys
             {
                 Path = currentKeys.Path,
-                Operation = operationType
+                Operation = operationType,
             };
         }
     }

test/Microsoft.OpenApi.Tests/PublicApi/PublicApi.approved.txt

@@ -1006,6 +1006,7 @@ namespace Microsoft.OpenApi.Services
         public string Header { get; }
         public string Link { get; set; }
         public Microsoft.OpenApi.Models.OperationType? Operation { get; set; }
+        public System.Collections.Generic.IList<Microsoft.OpenApi.Models.OpenApiParameter> Parameters { get; set; }
         public string Path { get; set; }
         public string Response { get; set; }
         public string ServerVariable { get; }
@@ -1111,14 +1112,15 @@ namespace Microsoft.OpenApi.Services
     {
         public OperationSearch(System.Func<string, Microsoft.OpenApi.Models.OperationType?, Microsoft.OpenApi.Models.OpenApiOperation, bool> predicate) { }
         public System.Collections.Generic.IList<Microsoft.OpenApi.Services.SearchResult> SearchResults { get; }
-        public override void Visit(Microsoft.OpenApi.Models.OpenApiOperation operation) { }
+        public override void Visit(Microsoft.OpenApi.Models.OpenApiPathItem pathItem) { }
         public override void Visit(System.Collections.Generic.IList<Microsoft.OpenApi.Models.OpenApiParameter> parameters) { }
     }
     public class SearchResult
     {
         public SearchResult() { }
         public Microsoft.OpenApi.Services.CurrentKeys CurrentKeys { get; set; }
         public Microsoft.OpenApi.Models.OpenApiOperation Operation { get; set; }
+        public System.Collections.Generic.IList<Microsoft.OpenApi.Models.OpenApiParameter> Parameters { get; set; }
     }
 }
 namespace Microsoft.OpenApi.Validations