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::accessScanNativeEligible {options} {
set literal [dict get $options pathLiteral]
return [expr {$literal ne "" && ![regexp {[^\x20-\x7e]} $literal] && [info commands ns_fseekchars] ne ""}]
}