# Conflicts:
#	mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/MessageSource.kt

Add binary-validator

Hide relevant APIs on `Iterable`;
Deprecate `__forEachForJava__` in favor of Java 8 API;
Add `fun messageChainOf(vararg messages: Message): MessageChain`;
Add `fun Array<out Message>.asMessageChain(): MessageChain`;
Add `fun Array<out SingleMessage>.asMessageChain(): MessageChain`;
Add `fun Array<out Message>.flatten(): Sequence<SingleMessage>`;
Add `fun Array<out SingleMessage>.flatten(): Sequence<SingleMessage>`;
Close #312

Update duration display

* fix typo

* fix typo

Deprecate `Message.getOrNull` in favor of `Message.get`;
Add `Message.getOrFail`