type
type: "space" | "byte-order-mark" | "doc-mode" | "doc-start" | "comment" | "newline" | "directive-line" | "anchor" | "tag" | "seq-item-ind" | "explicit-key-ind" | "map-value-ind" | "flow-map-start" | "flow-map-end" | "flow-seq-start" | "flow-seq-end" | "flow-error-end" | "comma" | "block-scalar-header"