minecraft-source/src/net/minecraft/world/level/block/EntityBlock.java

package net.minecraft.world.level.block;

import javax.annotation.Nullable;
import net.minecraft.world.level.block.entity.BlockEntity;
import net.minecraft.world.level.BlockGetter;

public interface EntityBlock {
    @Nullable
    BlockEntity newBlockEntity(final BlockGetter bjd);
}