new file mode 100644
--- /dev/null
+++ b/src/event/quic/ngx_event_quic_streams.h
@@ -0,0 +1,43 @@
+
+/*
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+#ifndef _NGX_EVENT_QUIC_STREAMS_H_INCLUDED_
+#define _NGX_EVENT_QUIC_STREAMS_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+
+ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c,
+    ngx_quic_header_t *pkt, ngx_quic_frame_t *frame);
+ngx_int_t ngx_quic_stream_input(ngx_connection_t *c,
+    ngx_quic_frame_t *frame, void *data);
+void ngx_quic_handle_stream_ack(ngx_connection_t *c,
+    ngx_quic_frame_t *f);
+ngx_int_t ngx_quic_handle_max_data_frame(ngx_connection_t *c,
+    ngx_quic_max_data_frame_t *f);
+ngx_int_t ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
+    ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f);
+ngx_int_t ngx_quic_handle_stream_data_blocked_frame(ngx_connection_t *c,
+    ngx_quic_header_t *pkt, ngx_quic_stream_data_blocked_frame_t *f);
+ngx_int_t ngx_quic_handle_max_stream_data_frame(ngx_connection_t *c,
+    ngx_quic_header_t *pkt, ngx_quic_max_stream_data_frame_t *f);
+ngx_int_t ngx_quic_handle_reset_stream_frame(ngx_connection_t *c,
+    ngx_quic_header_t *pkt, ngx_quic_reset_stream_frame_t *f);
+ngx_int_t ngx_quic_handle_stop_sending_frame(ngx_connection_t *c,
+    ngx_quic_header_t *pkt, ngx_quic_stop_sending_frame_t *f);
+ngx_int_t ngx_quic_handle_max_streams_frame(ngx_connection_t *c,
+    ngx_quic_header_t *pkt, ngx_quic_max_streams_frame_t *f);
+
+void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
+    ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
+ngx_quic_stream_t *ngx_quic_find_stream(ngx_rbtree_t *rbtree,
+    uint64_t id);
+ngx_int_t ngx_quic_close_streams(ngx_connection_t *c,
+    ngx_quic_connection_t *qc);
+
+#endif /* _NGX_EVENT_QUIC_STREAMS_H_INCLUDED_ */