public static Task <ConflictResolution> RenameSymbolAsync( Solution solution, ISymbol symbol, string newName, OmniSharpRenameOptions options, ImmutableHashSet <ISymbol>?nonConflictSymbols, CancellationToken cancellationToken) => Renamer.RenameSymbolAsync(solution, symbol, newName, options.ToRenameOptions(), nonConflictSymbols, cancellationToken);