/usr/include/dovecot/imap-search.h is in dovecot-dev 1:2.2.9-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | #ifndef IMAP_SEARCH_H
#define IMAP_SEARCH_H
#include <sys/time.h>
enum search_return_options {
	SEARCH_RETURN_ESEARCH		= 0x0001,
	SEARCH_RETURN_MIN		= 0x0002,
	SEARCH_RETURN_MAX		= 0x0004,
	SEARCH_RETURN_ALL		= 0x0008,
	SEARCH_RETURN_COUNT		= 0x0010,
	SEARCH_RETURN_MODSEQ		= 0x0020,
	SEARCH_RETURN_SAVE		= 0x0040,
	SEARCH_RETURN_UPDATE		= 0x0080,
	SEARCH_RETURN_PARTIAL		= 0x0100,
	SEARCH_RETURN_RELEVANCY		= 0x0200
/* Options that don't return any seq/uid results */
#define SEARCH_RETURN_NORESULTS \
	(SEARCH_RETURN_ESEARCH | SEARCH_RETURN_MODSEQ | SEARCH_RETURN_SAVE | \
	 SEARCH_RETURN_UPDATE)
};
struct imap_search_context {
	struct client_command_context *cmd;
	struct mailbox *box;
	struct mailbox_transaction_context *trans;
        struct mail_search_context *search_ctx;
	pool_t fetch_pool;
	struct imap_fetch_context *fetch_ctx;
	struct mail_search_args *sargs;
	enum search_return_options return_options;
	uint32_t partial1, partial2;
	struct timeout *to;
	ARRAY_TYPE(seq_range) result;
	unsigned int result_count;
	ARRAY(float) relevancy_scores;
	float min_relevancy, max_relevancy;
	uint64_t highest_seen_modseq;
	struct timeval start_time;
	unsigned int have_seqsets:1;
	unsigned int have_modseqs:1;
	unsigned int sorting:1;
};
int cmd_search_parse_return_if_found(struct imap_search_context *ctx,
				     const struct imap_arg **args);
void imap_search_context_free(struct imap_search_context *ctx);
bool imap_search_start(struct imap_search_context *ctx,
		       struct mail_search_args *sargs,
		       const enum mail_sort_type *sort_program) ATTR_NULL(3);
void imap_search_update_free(struct imap_search_update *update);
#endif
 |