$self->{_strings} = \%strings;

##</code><code>##

$strings{"keystring"}{"contextstring"}{iso}{"langcode"} = "value"

##</code><code>##

return $self->{_strings}{$string}{$context}{$self->{_lang}}
if( exists $self->{_strings}{$string}{$context}{$self->{_lang}} &&
$self->{_strings}{$string}{$context}{$self->{_lang}} ne '_MISSING_');