"description":"Defaults to true. If set to false, Composer will not create a composer.lock file."
},
"platform-check":{
"type":"boolean",
"description":"Defaults to true. If set to false, Composer will not create and require a platform_check.php file as part of the autoloader bootstrap."
"type":["boolean","string"],
"description":"Defaults to \"php-only\" which checks only the PHP version. Setting to true will also check the presence of required PHP extensions. If set to false, Composer will not create and require a platform_check.php file as part of the autoloader bootstrap."