change parent to x, and child to y, everywhere.

Author: philipthomas-MSFT

Microsoft.Azure.Cosmos.Encryption.Custom/src/EncryptionContainer.cs

@@ -1031,13 +1031,13 @@ public override ChangeFeedProcessorBuilder GetChangeFeedProcessorBuilderWithAllV
 
 #if SDKPROJECTREF
         public override Task<bool> IsFeedRangePartOfAsync(
-            Cosmos.FeedRange parentFeedRange,
-            Cosmos.FeedRange childFeedRange,
+            Cosmos.FeedRange x,
+            Cosmos.FeedRange y,
             CancellationToken cancellationToken = default)
         {
             return this.container.IsFeedRangePartOfAsync(
-                parentFeedRange,
-                childFeedRange,
+                x,
+                y,
                 cancellationToken);
         }
 #endif

Microsoft.Azure.Cosmos.Encryption/src/EncryptionContainer.cs

@@ -764,8 +764,8 @@ public override ChangeFeedProcessorBuilder GetChangeFeedProcessorBuilderWithAllV
         }
 
         public override Task<bool> IsFeedRangePartOfAsync(
-            Cosmos.FeedRange parentFeedRange,
-            Cosmos.FeedRange childFeedRange,
+            Cosmos.FeedRange x,
+            Cosmos.FeedRange y,
             CancellationToken cancellationToken = default)
         {
             throw new NotImplementedException();

Microsoft.Azure.Cosmos/src/Resource/Container/Container.cs

@@ -1808,6 +1808,10 @@ public abstract ChangeFeedProcessorBuilder GetChangeFeedProcessorBuilderWithAllV
         /// </code>
         /// </example>
         /// <returns>True if the y feed range is a part of the x feed range; otherwise, false.</returns>
+        /// <param name="x">The broader feed range representing the larger, encompassing logical partition.</param>
+        /// <param name="y">The smaller, more granular feed range that needs to be checked for containment within the broader feed range.</param>
+        /// <param name="cancellationToken">An optional cancellation token to cancel the operation before completion.</param>
+        /// <returns>Returns a boolean indicating whether the y feed range is fully contained within the x feed range.</returns>
         public virtual Task<bool> IsFeedRangePartOfAsync(
             Cosmos.FeedRange x,
             Cosmos.FeedRange y,

Microsoft.Azure.Cosmos/src/Resource/Container/ContainerCore.Items.cs

@@ -679,8 +679,8 @@ public override Task<ResponseMessage> DeleteAllItemsByPartitionKeyStreamAsync(
         }
 
         public override Task<bool> IsFeedRangePartOfAsync(
-            FeedRange parentFeedRange,
-            FeedRange childFeedRange,
+            FeedRange x,
+            FeedRange y,
             CancellationToken cancellationToken = default)
         {
             // TODO: The current use of Documents.OperationType.ReadFeed is not a precise fit for this operation.
@@ -693,8 +693,8 @@ public override Task<bool> IsFeedRangePartOfAsync(
                 operationType: Documents.OperationType.ReadFeed,
                 requestOptions: null,
                 task: (trace) => base.IsFeedRangePartOfAsync(
-                    parentFeedRange: parentFeedRange,
-                    childFeedRange: childFeedRange,
+                    x,
+                    y,
                     cancellationToken: cancellationToken));
         }
     }

Microsoft.Azure.Cosmos/src/Resource/Container/ContainerInlineCore.cs

@@ -153,8 +153,8 @@ public abstract ChangeFeedProcessorBuilder GetChangeFeedProcessorBuilderWithAllV
             ChangeFeedHandler<ChangeFeedItem<T>> onChangesDelegate);
 
         public abstract Task<bool> IsFeedRangePartOfAsync(
-            Cosmos.FeedRange parentFeedRange,
-            Cosmos.FeedRange childFeedRange,
+            Cosmos.FeedRange x,
+            Cosmos.FeedRange y,
             CancellationToken cancellationToken = default);
 #endif