package com.fzzy.protocol.zldz.data; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; import static java.lang.annotation.ElementType.FIELD; @Retention(RetentionPolicy.RUNTIME) @Target(FIELD) public @interface Metadata { String label() default ""; int bytes() default 0; int startIndex() default 0; }