Ability to configure extension Dev mode JVM arguments

core/deployment/src/main/java/io/quarkus/deployment/dev/DevModeCommandLine.java

@@ -0,0 +1,35 @@
+package io.quarkus.deployment.dev;
+
+import java.nio.file.Path;
+import java.util.Collection;
+import java.util.List;
+
+public class DevModeCommandLine {
+
+    public static DevModeCommandLineBuilder builder(String java) {
+        return new DevModeCommandLineBuilder(java);
+    }
+
+    private final List<String> args;
+    private final String debugPort;
+    private final Collection<Path> buildFiles;
+
+    public DevModeCommandLine(List<String> args, String debugPort, Collection<Path> buildFiles) {
+        this.args = args;
+        this.debugPort = debugPort;
+        this.buildFiles = buildFiles;
+    }
+
+    public List<String> getArguments() {
+        return args;
+    }
+
+    public Collection<Path> getWatchedBuildFiles() {
+        return buildFiles;
+    }
+
+    public String getDebugPort() {
+        return debugPort;
+    }
+
+}