UnityScript.UnityScriptCompilerModule.ReplaceOptional C# (CSharp) Method

        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);
            }
        }
    }