import { MarkerDefinition, MarkerType } from './types.js';
export declare const RCF_MARKERS: Record<MarkerType, MarkerDefinition>;
export declare const MARKER_REGEX: RegExp;
export declare const SEARCH_BOTS: string[];
export declare const AI_TRAINING_BOTS: string[];
export declare const ROBOTS_BEGIN = "# >>> RCF-managed (Restricted Correlation Framework) >>>";
export declare const ROBOTS_END = "# <<< RCF-managed <<<";
/** The RCF-managed robots.txt block. Byte-identical to the Python SDK. */
export declare function renderRcfRobotsBlock(): string;
/**
 * Idempotently merge the RCF block into an existing robots.txt.
 *  - replace a previous RCF-managed block in place (never duplicate),
 *  - otherwise append, preserving existing content,
 *  - if there is no existing content, the block is the whole file.
 */
export declare function mergeRobotsBlock(existing: string | null | undefined, block: string): string;
//# sourceMappingURL=constants.d.ts.map