addAnnotation

open override fun addAnnotation(annotationSpec: AnnotationSpec): FunSpec.Builder
open override fun addAnnotation(annotation: ClassName): FunSpec.Builder
@DelicateKotlinPoetApi(message = "Java reflection APIs don't give complete information on Kotlin types. Consider using the kotlinpoet-metadata APIs instead.")
open override fun addAnnotation(annotation: Class<*>): FunSpec.Builder
open override fun addAnnotation(annotation: KClass<*>): FunSpec.Builder