It is based on the PHP interface definitions and comments available here:
$ hhvm -d xdebug.enable=0 -d hhvm.jit=0 -d hhvm.php7.all=1 -d hhvm.hack.lang.auto_typecheck=0 $(which composer) require ytake/psr-http-handlers-hhi
It is based on the PHP interface definitions and comments available here:
$ hhvm -d xdebug.enable=0 -d hhvm.jit=0 -d hhvm.php7.all=1 -d hhvm.hack.lang.auto_typecheck=0 $(which composer) require ytake/psr-http-handlers-hhi