Flutter项目build.gradle文件损坏求助，本人熟悉Dart但不懂Gradle

我具备Dart编程能力，但对build.gradle文件不熟悉，不慎将Flutter项目中的该文件损坏，以下是修复后的中文注释版本：

def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
    localPropertiesFile.withReader('UTF-8') { reader ->
        localProperties.load(reader)
    }
}

def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
    throw new GradleException("未找到Flutter SDK，请在local.properties文件中通过flutter.sdk配置其路径。")
}

def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
    flutterVersionCode = '1'
}

def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
    flutterVersionName = '1.0'
}

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"

android {
    compileSdkVersion 33
    ndkVersion flutter.ndkVersion

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    kotlinOptions {
        jvmTarget = '1.8'
    }

    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
    }

    defaultConfig {
        // 注意：请填写你自己的唯一应用ID
        applicationId "com.nawawiforty.safwa.nawawiforty"
        // 可根据应用需求修改以下参数
        minSdkVersion 18  // 可根据需求修改此行
        targetSdkVersion flutter.targetSdkVersion
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
    }

    buildTypes {
        release {
            // 注意：请为发布版本添加你自己的签名配置
            // 目前暂时使用调试密钥签名，确保`flutter run --release`可正常运行
            signingConfig signingConfigs.debug
        }
    }
}

flutter {
    source '../..'
}

dependencies {
    implementation "org.jetbrains.kotlin:kotlin-std-jdk7:$kotlin_version"
}

内容的提问来源于stack exchange，提问作者نبيل سليمان