add jflex

build.gradle.kts

@@ -1,7 +1,7 @@
 plugins {
     id("java")
     id("org.jetbrains.kotlin.jvm") version "1.9.21"
-    id("org.jetbrains.intellij") version "1.16.1"
+    id("org.jetbrains.intellij") version "1.17.3"
 }
 
 group = "ru.crabs"
@@ -14,7 +14,9 @@ repositories {
 // Include the generated files in the source set
 sourceSets {
     main {
-        kotlin.srcDirs("src/main/gen")
+        java {
+            srcDirs("src/main/gen")
+        }
     }
 }
 
@@ -24,17 +26,17 @@ intellij {
     version.set("2023.1.5")
     type.set("IC") // Target IDE Platform
 
-    plugins.set(listOf(/* Plugin Dependencies */))
+    plugins.set(listOf("com.intellij.java"))
 }
 
 tasks {
     // Set the JVM compatibility versions
     withType<JavaCompile> {
-        sourceCompatibility = "17"
-        targetCompatibility = "17"
+        sourceCompatibility = "11"
+        targetCompatibility = "11"
     }
     withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
-        kotlinOptions.jvmTarget = "17"
+        kotlinOptions.jvmTarget = "11"
     }
 
     patchPluginXml {
@@ -42,12 +44,6 @@ tasks {
         untilBuild.set("241.*")
     }
 
-    signPlugin {
-        certificateChain.set(System.getenv("CERTIFICATE_CHAIN"))
-        privateKey.set(System.getenv("PRIVATE_KEY"))
-        password.set(System.getenv("PRIVATE_KEY_PASSWORD"))
-    }
-
     publishPlugin {
         token.set(System.getenv("PUBLISH_TOKEN"))
     }