GenerateNavArgsProguardRulesTask inputs and outputs

GenerateNavArgsProguardRulesTask.kt

const val NAVARGS_PROGUARD_RULES_PATH = "generated/proguard-rules/navargs-proguard-rules.pro"

abstract class GenerateNavArgsProguardRulesTask : DefaultTask() {

    @get:InputFiles
    @get:SkipWhenEmpty
    val navigationGraphFiles: FileTree = project.fileTree("src/main/res/navigation") {
        include("*.xml")
    }

    @get:OutputFile
    val rulesFile = File(project.buildDir, NAVARGS_PROGUARD_RULES_PATH)
}