src/game/java/net/minecraft/commands/synchronization/package-info.java

@ParametersAreNonnullByDefault
@MethodsReturnNonnullByDefault
@FieldsAreNonnullByDefault
package net.minecraft.commands.synchronization;

import javax.annotation.ParametersAreNonnullByDefault;
import net.minecraft.FieldsAreNonnullByDefault;
import net.minecraft.MethodsReturnNonnullByDefault;