IntSummableProcessor.kt

class IntSummableProcessor(
    private val options: Map<String, String>,
    private val codeGenerator: CodeGenerator,
    private val logger: KSPLogger
) : SymbolProcessor {

    private lateinit var intType: KSType

    override fun process(resolver: Resolver): List<KSAnnotated> {
        intType = resolver.builtIns.intType
        val symbols = resolver.getSymbolsWithAnnotation(IntSummable::class.qualifiedName!!)
        val unableToProcess = symbols.filterNot { it.validate() }

        symbols.filter { it is KSClassDeclaration && it.validate() }
            .forEach { it.accept(Visitor(), Unit) }

        return unableToProcess.toList()
    }
}