* Region and session lock Signed-off-by: liach <liach@users.noreply.github.com> * Update mappings/net/minecraft/world/gen/StructureAccessor.mapping Co-Authored-By: Yanis48 <doublecraft.official@gmail.com> Co-authored-by: liach <liach@users.noreply.github.com> Co-authored-by: Yanis48 <doublecraft.official@gmail.com>