import { type DroppedTag, type SelectedAttributes, type SemanticTag } from './policy.js';
export interface ScannerHost {
    retainToken(units: number): void;
    releaseToken(units: number): void;
    probeToken(units: number): void;
    pushDepth(): void;
    popDepth(count: number): void;
    text(value: string, mode: 'normal' | 'pre'): void;
    start(tag: SemanticTag, attributes: SelectedAttributes): void;
    end(tag: SemanticTag): void;
    dropped(tag: DroppedTag): void;
}
export declare class HtmlScanner {
    private readonly host;
    private readonly frames;
    private readonly topByName;
    private readonly referenceCache;
    private state;
    private token;
    private quote;
    private commentTail;
    private referenceBuffer;
    private pendingCarriageReturn;
    private preDepth;
    private raw;
    private ordinaryDrop;
    private specialReference;
    private inHead;
    private finished;
    constructor(host: ScannerHost);
    write(chunk: string): void;
    finish(): void;
    private consume;
    private consumeData;
    private consumeTagOpen;
    private consumeEndTagOpen;
    private consumeTag;
    private consumeMarkupProbe;
    private consumeComment;
    private consumeCommentSpan;
    private consumeDataSpan;
    private consumeDroppedRawSpan;
    private consumeReferenceSpan;
    private consumeTagSpan;
    private startToken;
    private appendToken;
    private appendTokenValue;
    private releaseTokenBuffer;
    private retainReference;
    private resolveReference;
    private consumeResolvedRemainder;
    private emitToken;
    private emitParsedTag;
    private openTag;
    private openVisibleTag;
    private closeTag;
    private closeFramesTo;
    private emitText;
    private handleHeadTag;
    private exitHead;
    private consumeRaw;
    private consumeRawCandidate;
    private failRawCandidate;
    private closeRawState;
    private retainSpecialReference;
    private resolveSpecialReference;
    private consumeOrdinaryDrop;
    private finishSpecialState;
    private emitRawLiteral;
    private decodeReference;
}