Using KotlinPoet to generate a class (top-level function)

KotlinPoet.kt

fun generateActionClass(
    metadata: Metadata,
    coords: ActionCoords,
    inputTypings: Map<String, Typing>,
    className: String,
    untypedClass: Boolean,
    replaceWith: CodeBlock?,
): TypeSpec =
    TypeSpec
        .classBuilder(className)
        .addModifiers(KModifier.DATA)
        .addKdocIfNotEmpty(actionKdoc(metadata, coords, untypedClass))
        .replaceWith(replaceWith)
        .addClassConstructorAnnotation()
        .inheritsFromRegularAction(coords, metadata, className)
        .primaryConstructor(metadata.primaryConstructor(inputTypings, coords, className, untypedClass))
        .properties(metadata, coords, inputTypings, className, untypedClass)
        .addInitializerBlockIfNecessary(metadata, inputTypings, untypedClass)
        .addFunction(metadata.secondaryConstructor(inputTypings, coords, className, untypedClass))
        .addFunction(metadata.buildToYamlArgumentsFunction(inputTypings, untypedClass))
        .addCustomTypes(inputTypings, coords, className)
        .addOutputClassIfNecessary(metadata)
        .addBuildOutputObjectFunctionIfNecessary(metadata)
        .build()