Interface Callbacks

interface Callbacks {
    onattribdata(start: number, endIndex: number): void;
    onattribend(quote: QuoteType, endIndex: number): void;
    onattribentity(codepoint: number): void;
    onattribname(start: number, endIndex: number): void;
    oncdata(start: number, endIndex: number, endOffset: number): void;
    onclosetag(start: number, endIndex: number): void;
    oncomment(start: number, endIndex: number, endOffset: number): void;
    ondeclaration(start: number, endIndex: number): void;
    onend(): void;
    onopentagend(endIndex: number): void;
    onopentagname(start: number, endIndex: number): void;
    onprocessinginstruction(start: number, endIndex: number): void;
    onselfclosingtag(endIndex: number): void;
    ontext(start: number, endIndex: number): void;
    ontextentity(codepoint: number, endIndex: number): void;
}