معادل Response.ClearContent در mvc.core چیست

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معادل کدهای زیر در mvc.core چیست

this.Response.ClearContent();
this.Response.ClearHeaders();
this.Response.ContentType = "application/pdf";
this.Response.ContentEncoding = Encoding.UTF8;
this.Response.AddHeader("Content-Length", stream.Length.ToString());
this.Response.BinaryWrite(stream.ToArray());

ClearContent
ClearHeaders
ContentEncoding
AddHeader
BinaryWrite