modifyGuildOnboarding
suspend fun modifyGuildOnboarding(guildId: Snowflake, request: GuildOnboardingModifyRequest, reason: String? = null): DiscordGuildOnboarding(source)
inline suspend fun modifyGuildOnboarding(guildId: Snowflake, builder: GuildOnboardingModifyBuilder.() -> Unit): DiscordGuildOnboarding(source)