1:  ddb7875bb58 = 1:  379c12b5d26 oauth: Remove stale events from the kqueue multiplexer
2:  a871ce498ea = 2:  f30317d7265 oauth: Remove expired timers from the multiplexer
3:  5033b6d51c1 = 3:  d243d28964d oauth: Track total call count during a client flow
4:  f4a640f7995 ! 4:  ca6fd237653 oauth: Add unit tests for multiplexer handling
    @@ src/interfaces/libpq-oauth/test-oauth-curl.c (new)
     + *
     + * NB: our current multiplexer implementations (epoll/kqueue) are *readable*
     + * when the underlying libcurl sockets are *writable*. This behavior is pinned
    -+ * here to record that expectation, but it's not a required part of the API. If
    -+ * you've added a new implementation that doesn't have that behavior, feel free
    -+ * to modify this test.
    ++ * here to record that expectation; PGRES_POLLING_READING is hardcoded
    ++ * throughout the flow and would need to be changed if a new multiplexer does
    ++ * something different.
     + */
     +#define mux_is_ready(MUX, DEADLINE, TEST) \
     +	do { \