/**
 * Prompt-leakage detector — gap category `prompt-leakage`.
 *
 * Flags when a web page inadvertently exposes AI system-prompt / agent
 * instructions in its public surface: inline scripts, HTML comments, meta
 * tags, visible text, response headers, or error bodies.
 *
 * CONSERVATIVE design: every signal requires TWO corroborating markers
 * before generating a Gap, to keep the false-positive rate low.
 * A page that merely uses the word "AI" or "assistant" will NOT trip.
 *
 * Heuristics are derived from first principles — the structural telltale
 * shapes of an exposed instruction block.  No third-party leaked-prompt
 * text or vendor identifiers were used.
 */
import type { Gap } from '../../schemas/gap-analysis.schema.js';
import type { Route } from '../../schemas/route-inventory.schema.js';
/**
 * Scan a captured page surface for signals that an AI system prompt or agent
 * instructions are exposed in its public surface.
 *
 * Accepts the `Route` shape from `route-inventory.schema.ts`, which now
 * includes the optional `headers` and `bodySnippet` fields.
 *
 * Returns an array of `Gap` objects with `category: 'prompt-leakage'`.
 * Returns an empty array when no signals are found.
 */
export declare function detectPromptLeakage(route: Pick<Route, 'path' | 'headers' | 'bodySnippet'>): Gap[];
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