要确保 package 包名声明必须与 Gradle 配置中的 package 路径完全一致，如果包名错误，Protobuf 编译器可能无法生成对应的实体类文件。
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But that’s a lot of resetting! We can save a bunch of bandwidth by instead tracking the current foreground and background color in our renderer and only emitting a new color escape sequence when our desired color changes. This is an annoying amount of bookkeeping but it substantially cuts down on the amount of escape codes emitted.