#include <lttng/events.h>
+struct lttng_syscall_filter;
+struct lttng_metadata_cache;
+struct perf_event;
+struct perf_event_attr;
+struct lib_ring_buffer_config;
+
enum lttng_enabler_format_type {
LTTNG_ENABLER_FORMAT_STAR_GLOB,
LTTNG_ENABLER_FORMAT_NAME,