Merge pull request #29855 from geoand/printStartupTime

Prevent false warning message about missing 'quarkus.debug.print-startup-times'

core/runtime/src/main/java/io/quarkus/runtime/DebugRuntimeConfig.java

@@ -0,0 +1,16 @@
+package io.quarkus.runtime;
+
+import io.quarkus.runtime.annotations.ConfigItem;
+import io.quarkus.runtime.annotations.ConfigPhase;
+import io.quarkus.runtime.annotations.ConfigRoot;
+
+@ConfigRoot(name = "debug", phase = ConfigPhase.RUN_TIME)
+public class DebugRuntimeConfig {
+
+    /**
+     * If set to {@code true}, Quarkus prints the wall-clock time each build step took to complete.
+     * This is useful as a first step in debugging slow startup times.
+     */
+    @ConfigItem(defaultValue = "false")
+    boolean printStartupTimes;
+}