change version to use exceptions instead of error strings

1 files changed, 5 insertions, 2 deletions

diff --git a/src/main/kotlin/ProtocolTranslator.kt b/src/main/kotlin/ProtocolTranslator.kt
index eaa415f..f7b114f 100644
--- a/src/main/kotlin/ProtocolTranslator.kt
+++ b/src/main/kotlin/ProtocolTranslator.kt
@@ -27,9 +27,12 @@ interface ProtocolTranslator {
      * @param msize The maximum length, in bytes, that the client will ever generate or expect to receive in a single
      *              9P message.
      * @param version Should be "9P2000", which is the only defined value.
-     * @return a possible error.
+     * @throws InvalidMessageException if the received message is invalid.
+     * @throws RErrorException if the received message is an R-error message.
+     * @throws MsizeValueTooBigException if the received `msize` value is bigger than what the client requested.
+     * @throws UnknownVersionException if the version negotiation failed.
      */
-    fun version(msize: UInt, version: String): String?
+    fun version(msize: UInt, version: String)
 
     /**
      * Perform authentication.