Update comments

fdbcli/ThrottleCommand.actor.cpp

@@ -27,7 +27,6 @@
 #include "fdbclient/CommitTransaction.h"
 
 #include "flow/Arena.h"
-#include "flow/FastRef.h"
 #include "flow/ThreadHelper.actor.h"
 #include "flow/genericactors.actor.h"
 #include "flow/actorcompiler.h" // This must be the last #include.

fdbclient/IClientApi.h

@@ -89,6 +89,7 @@ public:
 	virtual void addref() = 0;
 	virtual void delref() = 0;
 
+	// used in template functions as returned Future type
 	template<class Type> using FutureT = ThreadFuture<Type>;
 };
 
@@ -118,6 +119,7 @@ public:
 	// Management API, create snapshot
 	virtual ThreadFuture<Void> createSnapshot(const StringRef& uid, const StringRef& snapshot_command) = 0;
 
+	// used in templated functions as Transaction type that can be created
 	using TransactionT = ITransaction;
 };
 

fdbclient/NativeAPI.actor.h

@@ -76,8 +76,6 @@ struct NetworkOptions {
 	NetworkOptions();
 };
 
-class ReadYourWritesTransaction; // workaround cyclic dependency
-
 class Database final : public ThreadSafeReferenceCounted<Database> {
 public:
 	enum { API_VERSION_LATEST = -1 };
@@ -111,6 +109,7 @@ public:
 
 	const UniqueOrderedOptionList<FDBTransactionOptions>& getTransactionDefaults() const;
 
+	// used in template functions to create a transaction
 	using TransactionT = ReadYourWritesTransaction;
 	Reference<TransactionT> createTransaction();
 
@@ -174,6 +173,7 @@ private:
 	void clear();
 };
 
+class ReadYourWritesTransaction; // workaround cyclic dependency
 struct TransactionInfo {
 	Optional<UID> debugID;
 	TaskPriority taskID;

fdbclient/ReadYourWrites.h

@@ -175,6 +175,7 @@ public:
 	void setSpecialKeySpaceErrorMsg(const std::string& msg) { specialKeySpaceErrorMsg = msg; }
 	Transaction& getTransaction() { return tr; }
 
+	// used in template functions as returned Future type
 	template<typename Type> using FutureT = Future<Type>;
 
 private: