struct plugin_state;
/* Functions to pull data out of maps. */
void map_init(struct plugin_state *state);
bool_t map_supports_domain(struct plugin_state *state,
			   const char *domain,
			   bool_t *supported);
bool_t map_supports_map(struct plugin_state *state,
			const char *domain,
			const char *map,
			bool_t *supported);
bool_t map_match(struct plugin_state *state,
		 const char *domain, const char *map,
		 unsigned int key_len, char *key,
		 unsigned int *value_len, char **value);
bool_t map_first(struct plugin_state *state,
		 const char *domain, const char *map,
		 unsigned int *first_key_len, char **first_key,
		 unsigned int *first_value_len, char **first_value);
bool_t map_next(struct plugin_state *state,
		const char *domain, const char *map,
		unsigned int prev_len, const char *prev,
		unsigned int *next_key_len, char **next_key,
		unsigned int *next_value_len, char **next_value);
bool_t map_order(struct plugin_state *state,
		 const char *domain, const char *map,
		 unsigned int *order);
/* Functions to push data into maps. */
void map_data_clear_map(struct plugin_state *state,
			const char *domain_name, const char *map_name);
void map_data_unset_map(struct plugin_state *state,
			const char *domain_name, const char *map_name);
void map_data_set_map(struct plugin_state *state,
		      const char *domain_name, const char *map_name);
void map_data_unset_entry_key(struct plugin_state *state,
			      const char *domain_name, const char *map_name,
			      unsigned int key_len, const char *key);
void map_data_unset_entry_id(struct plugin_state *state,
			     const char *domain_name, const char *map_name,
			     const char *id);
void map_data_set_entry(struct plugin_state *state,
			const char *domain_name, const char *map_name,
			const char *id,
			unsigned int key_len, char *key,
			unsigned int value_len, char *value);