Creating the notification to be displayed

CreatePanel.kt

fun createPanel(
    psiFile: PsiFile,
    project: Project,
    name: String,
    onAddClick: () -> Unit,
    onIgnoreClick: () -> Unit
): EditorNotificationPanel? {
    return if (isErrorHighlighted(psiFile, project)) {
        val panel = EditorNotificationPanel()
        panel.text("Add SerializedName annotation to $name params?")

        panel.createActionLabel("Add annotation") { onAddClick.invoke() }

        panel.createActionLabel("Ignore") { onIgnoreClick.invoke() }

        panel
    } else {
        null
    }
}