Added _get_child_object_type internal method to get the child object of given type
Added _get_child_object_type internal method to get the child object of given type

MichalPokorny/ldtp2,MichalPokorny/ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,MichalPokorny/ldtp2,eeejay/ldtp2,ldtp/ldtp2,MichalPokorny/ldtp2,ldtp/ldtp2,ldtp/ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,ldtp/ldtp2,MichalPokorny/ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,ldtp/ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,eeejay/ldtp2