const char *solvable_lookup_str_poollang(Solvable *s, Id keyname);
const char *solvable_lookup_str_lang(Solvable *s, Id keyname, const char *lang);
int solvable_lookup_bool(Solvable *s, Id keyname);
+int solvable_lookup_void(Solvable *s, Id keyname);
char * solvable_get_location(Solvable *s, unsigned int *medianrp);
const unsigned char *solvable_lookup_bin_checksum(Solvable *s, Id keyname, Id *typep);
const char *solvable_lookup_checksum(Solvable *s, Id keyname, Id *typep);