Boo.Lang.Compiler.CompilerPipeline.RemoveAt C# (CSharp) Метод

        public CompilerPipeline RemoveAt(int index)
        {
            _items.RemoveAt(index);
            return this;
        }

 public static void ReplaceOptional(CompilerPipeline pipeline, Type optionalPipelineStepType, ICompilerStep step)
 {
     int num = pipeline.Find(optionalPipelineStepType);
     if (num >= 0)
     {
         pipeline.RemoveAt(num);
         pipeline.Insert(num - 1, step);
     }
 }