import type { RefTable } from "./refs.js";
import type { CdpSend } from "./types.js";
export type ExtractFormat = "text" | "markdown" | "links";
export interface ExtractOptions {
    format?: ExtractFormat;
    selector?: string;
    maxChars?: number;
}
export interface ExtractResult {
    format: ExtractFormat;
    text: string;
    truncated: boolean;
}
export interface ScreenshotOptions {
    ref?: string;
    fullPage?: boolean;
    quality?: number;
    skipIfUnchanged?: boolean;
}
export interface ScreenshotResult {
    base64?: string;
    bytes: number;
    format: "jpeg";
    unchanged: boolean;
}
/** Page content as plain text, markdown or a link list. Reading never needs refs. */
export declare function extractContent(send: CdpSend, sessionId: string, opts?: ExtractOptions): Promise<ExtractResult>;
/** JPEG screenshot of the viewport, the full page, or one element. */
export declare function captureScreenshot(send: CdpSend, sessionId: string, refs: RefTable, opts?: ScreenshotOptions, previousHash?: string): Promise<{
    result: ScreenshotResult;
    hash: string;
}>;
//# sourceMappingURL=read.d.ts.map