Determines if a given string is a valid D-Bus type signature. You
should ensure that a string is a valid D-Bus type signature before
passing it to g_variant_new_signature().
D-Bus type signatures consist of zero or more definite GVariantType
strings in sequence.
Since 2.24
Determines if a given string is a valid D-Bus type signature. You should ensure that a string is a valid D-Bus type signature before passing it to g_variant_new_signature(). D-Bus type signatures consist of zero or more definite GVariantType strings in sequence. Since 2.24