TokenizerCallbacks
interface TokenizerCallbacks {
onattribdata(value: string): void;
onattribend(quote: string | undefined | null): void;
onattribname(name: string): void;
oncdata(data: string): void;
onclosetag(name: string): void;
oncomment(data: string): void;
ondeclaration(content: string): void;
onend(): void;
onerror(error: Error, state?: State): void;
onopentagend(): void;
onopentagname(name: string): void;
onprocessinginstruction(instruction: string): void;
onselfclosingtag(): void;
ontext(value: string): void;
}