return
		}

		contentType := expfmt.Negotiate(r.Header)
		w.Header().Set("Content-Type", string(contentType))

		enc := expfmt.NewEncoder(w, contentType)
		for _, mf := range mfs {
			if err := enc.Encode(mf); err != nil {
				// client may disconnect for any reasons
				// we do not have to log this.
				return
			}
		}
		if closer, ok := enc.(expfmt.Closer); ok {
			closer.Close()

d":"my-minio-key","X-Minio-Internal-Server-Side-Encryption-S3-Kms-Sealed-Key":"IAAfAP8QOMBLTDqdChtV+mZJIrB0tekN2Miq2sgpJ+8+ZcTO0fRVVg+zZIksHOcO040e/z5S9G1/tGLA==","X-Minio-Internal-Server-Side-Encryption-S3-Sealed-Key":"IAAfAMm+niOeauqxcmEJE13Qc3Dz+mF/aAGv5QcRQoauAT1RzYOf==","X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm":"DAREv2-HMAC-SHA256","content-type":"text/plain"}},{"Bucket":"buck1","Name":"go_113/src/cmd/go/testdata/script/mod_install_versioned.txt","UserDef":{"X-Minio-Internal-...