build.gradle.kts show errors in Android Studio

build.gradle.kts

import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
import org.jlleitschuh.gradle.ktlint.reporter.ReporterType

plugins {
    kotlin("jvm")
    id("org.jlleitschuh.gradle.ktlint")
    id("io.gitlab.arturbosch.detekt")
    id("io.hkhc.jarbird")
    // for build script debugging
    id("org.barfuin.gradle.taskinfo")
}

/*
 It is needed to make sure every version of java compiler to generate same kind of bytecode.
 Without it and build this with java 8+ compiler, then the project build with java 8
 will get error like this:
   > Unable to find a matching variant of <your-artifact>:
      - Variant 'apiElements' capability <your-artifact>:
          - Incompatible attributes:
              - Required org.gradle.jvm.version '8' and found incompatible value '13'.
              - Required org.gradle.usage 'java-runtime' and found incompatible value 'java-api'.
              ...
 */
java {
    sourceCompatibility = JavaVersion.VERSION_1_8
    targetCompatibility = JavaVersion.VERSION_1_8
}

tasks {

    /*
    Without this Kotlin generates java 6 bytecode, which is hardly fatal.
     */
    withType<KotlinCompile> {
        kotlinOptions.jvmTarget = "1.8"
    }

//    dokka {
//        outputFormat = "html"
//        outputDirectory = "$buildDir/dokka"
//    }
}

ktlint {
    debug.set(true)
    verbose.set(true)
    android.set(true)
    coloredOutput.set(true)
    reporters {
        setOf(ReporterType.CHECKSTYLE, ReporterType.PLAIN)
    }
}

detekt {
    config = files("default-detekt-config.yml")
}

dependencies {
    implementation(Kotlin.stdlib)
    testImplementation(Testing.junit4)
    testImplementation("org.assertj:assertj-core:_")
    testImplementation(Testing.mockK)
}