##########
#JSON Graph Specification file format methods #
#############################################################################
{
use JSON;
sub inp
}
my $json_text = $EMPTY_STRING;
open(my $infile, '<:encoding(UTF-8)', $filename) or croak "could not open '$filename'";
print {$verboseOutfile} "inputGraphfromJSON: opened '$file
y $line = <$infile>) {
$json_text .= $line;
}
close($infile);
my $graphHref = from_json( $json_text, {utf8 => 1} ) or croak "inputGraphfromJSON: invalid json text";
if (ref($gra