1(message
 2  "message" @context
 3  (message_name
 4    (identifier) @name)) @item
 5
 6(service
 7  "service" @context
 8  (service_name
 9    (identifier) @name)) @item
10
11(rpc
12  "rpc" @context
13  (rpc_name
14    (identifier) @name)) @item
15
16(enum
17  "enum" @context
18  (enum_name
19    (identifier) @name)) @item