type FS … const DefaultMountPoint … // NewDefaultFS returns a new proc FS mounted under the default proc mountPoint. // It will error if the mount point directory can't be read or is a file. func NewDefaultFS() (FS, error) { … } // NewFS returns a new proc FS mounted under the given proc mountPoint. It will error // if the mount point directory can't be read or is a file. func NewFS(mountPoint string) (FS, error) { … }