use strict;
my $hash_ref = {
	key1 => "value1",
	key2 => "value2",
	ary1 => [
		{ ary_key01 => "ary_value01", ary_key02 => "ary_value02", },
		{ ary_key11 => "ary_value11", ary_key12 => "ary_value12", },
	],
};