export type LayoutMode = 'readable' | 'compact';
export type LinkMode = 'label' | 'label-and-url' | 'drop';
export type ImageMode = 'alt' | 'drop';
export type OverflowMode = 'throw' | 'truncate';
export type LimitKind = 'input' | 'output' | 'depth' | 'token';
export interface ConversionLimits {
    input?: number;
    output?: number;
    depth?: number;
    token?: number;
}
export interface ToTextOptions {
    layout?: LayoutMode;
    links?: LinkMode;
    images?: ImageMode;
    baseUrl?: string | URL;
    limits?: ConversionLimits;
}
export interface ConvertOptions extends ToTextOptions {
    overflow?: OverflowMode;
}
export interface ConversionReport {
    truncatedBy: LimitKind | null;
    scanComplete: boolean;
    consumedInputCodeUnits: number;
    outputCodeUnits: number;
    droppedContainers: Readonly<Record<string, number>>;
}
export interface ConversionResult extends ConversionReport {
    text: string;
}
export interface PurifaiTextTransform extends TransformStream<string, string> {
    readonly result: Promise<ConversionReport>;
}
export declare class PurifaiLimitError extends RangeError {
    readonly kind: LimitKind;
    readonly limit: number;
    readonly observed: number;
    constructor(kind: LimitKind, limit: number, observed: number);
}