create separate types per command

src/compression_code.rs

@@ -12,3 +12,15 @@ pub enum CompressionCode {
     /// compress using Zstandard
     Zstd = 0x7a73,
 }
+
+impl From<servicepoint::CompressionCode> for CompressionCode {
+    fn from(value: servicepoint::CompressionCode) -> Self {
+        value.into()
+    }
+}
+
+impl From<CompressionCode> for servicepoint::CompressionCode {
+    fn from(value: CompressionCode) -> Self {
+        servicepoint::CompressionCode::try_from(value).unwrap()
+    }
+}