+struct ctf_fs_ds_index_entry
+{
+ explicit ctf_fs_ds_index_entry(const bt2c::DataLen offsetParam,
+ const bt2c::DataLen packetSizeParam) noexcept :
+ offset(offsetParam),
+ packetSize(packetSizeParam)
+ {
+ }
+
+ /* Weak, belongs to ctf_fs_ds_file_info. */
+ const char *path = nullptr;
+
+ /* Position of the packet from the beginning of the file. */
+ bt2c::DataLen offset;
+
+ /* Size of the packet. */
+ bt2c::DataLen packetSize;
+
+ /*
+ * Extracted from the packet context, relative to the respective fields'
+ * mapped clock classes (in cycles).
+ */
+ uint64_t timestamp_begin = 0, timestamp_end = 0;
+
+ /*
+ * Converted from the packet context, relative to the trace's EPOCH
+ * (in ns since EPOCH).
+ */
+ int64_t timestamp_begin_ns = 0, timestamp_end_ns = 0;
+
+ /*
+ * Packet sequence number, or UINT64_MAX if not present in the index.
+ */
+ uint64_t packet_seq_num = 0;
+};
+
+struct ctf_fs_ds_index
+{
+ /* Array of pointer to struct ctf_fs_ds_index_entry. */
+ GPtrArray *entries = nullptr;
+};
+
+struct ctf_fs_ds_file_group
+{
+ /*
+ * Array of struct ctf_fs_ds_file_info, owned by this.
+ *
+ * This is an _ordered_ array of data stream file infos which
+ * belong to this group (a single stream instance).
+ *
+ * You can call ctf_fs_ds_file_create() with one of those paths
+ * and the trace IR stream below.
+ */
+ GPtrArray *ds_file_infos = nullptr;
+
+ /* Owned by this */
+ struct ctf_stream_class *sc = nullptr;
+
+ /* Owned by this */
+ bt_stream *stream = nullptr;
+
+ /* Stream (instance) ID; -1ULL means none */
+ uint64_t stream_id = 0;
+
+ /* Weak, belongs to component */
+ struct ctf_fs_trace *ctf_fs_trace = nullptr;
+
+ /*
+ * Owned by this.
+ */
+ struct ctf_fs_ds_index *index = nullptr;
+};
+