// server foo
@server(// server
// key-value form
key1:value1
key2:value2
jwt:Auth // enable jwt
prefix: /v1 // the route prefix
)
// service foo
service foo{// foo
    // example1
    @doc "example1"
    @handler example1 // handler declare
    get /path/example1// no body
@doc( // doc group
key1:"value1"
key11:"value11"
key111:"value111"
)
    @handler example2 // handler example2
get /path/example2/:id// path arg
    @doc
    "example3"
    @handler
example3
    get     /path/example3/:id
    ( Foo )// no response
    @doc "example4"
    @handler example4
    post /path/example4/a-b returns ( Foo )// no request
    @doc "example5"
    @handler example5
    // example5
    post        /path/example5/a-b ( Foo ) returns ( Bar ) // do not comment between path and body
}