package net.minecraft; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import javax.annotation.meta.TypeQualifierDefault; import org.jetbrains.annotations.NotNull; @NotNull @TypeQualifierDefault({ElementType.FIELD}) @Retention(RetentionPolicy.RUNTIME) public @interface FieldsAreNonnullByDefault { }