This procedure is defined in the server but not documented via ad_proc or proc_doc and may be intended as a private interface.
The procedure is defined as:
proc nsmcp::accessTimeIndexOutside {segment options} {
return [expr {![dict get $segment uncertain] && ([dict get $segment minimum] eq ""
|| [dict get $segment maximum]<[dict get $options from]
|| [dict get $segment minimum]>=[dict get $options to])}]
}