unmodifiable

eo-cqrs · Sep 30, 2023 · b3fc5dc · b3fc5dc
1 parent 8a9b36e
commit b3fc5dc
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/main/java/io/github/eocqrs/ohip/EnvironmentEnvelope.java b/src/main/java/io/github/eocqrs/ohip/EnvironmentEnvelope.java
@@ -1,5 +1,6 @@
 package io.github.eocqrs.ohip;
 
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -68,14 +69,14 @@ protected EnvironmentEnvelope(
   }
 
   @Override
-  public final Map<String, String> value() throws Exception {
+  public final Map<String, String> value() {
     final Map<String, String> vars = new HashMap<>(6);
     vars.put("hostname", this.hostname);
     vars.put("app", this.app);
     vars.put("auth", this.auth);
     vars.put("username", this.username);
     vars.put("password", this.password);
     vars.put("hotel", this.hotel);
-    return vars;
+    return Collections.unmodifiableMap(vars);
   }
 }