stream-start-event()
document-start-event(explicit=#f, tags=#f, version=#f)
mapping-start-event(anchor=#f, flow-style=#f, implicit=#t, tag=#f)
scalar-event(anchor=#f, implicit=(#t . #f), style=#f, tag=#f, value="null")
scalar-event(anchor=#f, implicit=(#t . #f), style=#f, tag=#f, value="")
scalar-event(anchor=#f, implicit=(#t . #f), style=#f, tag=#f, value="booleans")
sequence-start-event(anchor=#f, flow-style=#t, implicit=#t, tag=#f)
scalar-event(anchor=#f, implicit=(#t . #f), style=#f, tag=#f, value="true")
scalar-event(anchor=#f, implicit=(#t . #f), style=#f, tag=#f, value="false")
sequence-end-event()
scalar-event(anchor=#f, implicit=(#t . #f), style=#f, tag=#f, value="string")
scalar-event(anchor=#f, implicit=(#f . #t), style=#\', tag=#f, value="012345")
mapping-end-event()
document-end-event(explicit=#f)
stream-end-event()