/**
 * Text helpers for extracting structured fields from Playwright MCP tool responses.
 * Commoditized parsing only — no codec logic here, just regex over the MCP text protocol.
 */
/** Extract page URL from a Playwright MCP response text. */
export declare function extractUrlFromResponse(text: string): string | null;
export interface SnapshotSplit {
    yamlText: string;
    prefix: string;
    suffix: string;
}
/**
 * Splits a Playwright MCP response around its ```yaml fenced code block. Returns
 * `null` when no YAML block is found (e.g. an error response).
 *
 *   <prefix> ```yaml
 *   ...yamlText...
 *   ``` <suffix>
 *
 * `prefix` ends with ``` ```yaml\n ``` and `suffix` starts with ```` ``` ````.
 */
export declare function splitSnapshotYaml(text: string): SnapshotSplit | null;
/** Reassemble a response text after replacing the YAML block with compressed output. */
export declare function joinSnapshotYaml(split: SnapshotSplit, replacement: string): string;