/**
 * SeoPlaybookParser — pure, TOTAL markdown parser for bober.seo-* skill files
 * (spec-20260715-ultimate-seo-suite, Sprint 2; mirrors
 * `SecuritySignatureParser`, src/orchestrator/security-knowledge/parser.ts:137-156).
 *
 * Block format (mirrored in skills/bober.seo-generic/SKILL.md's "## Signature
 * Block Format" section — the two are one executable spec):
 *
 *   ### <playbookId>
 *   - **Title:** <human-readable title>
 *   - **Workflows:** comma, separated, SeoWorkflow, members
 *   - **Tactic:** <the recommended action>
 *   - **Invariant:** <the evidence-backed claim this signature encodes>
 *   - **PrimarySourceUrl:** <REQUIRED citation URL>
 *   - **PolicyClass:** auto-safe|human-approve|never-encode
 *   - **EvidenceGrade:** verified|primary-unverified|single-source
 *   - **LiveWeightStatus:** live-corroborated|documented-only|unknown (soft field, defaults to unknown)
 *   - **Keywords:** comma, separated, keywords
 *
 * A block is split on a `### ` heading (heading text, trimmed, is the
 * playbookId). Two DROP rules beyond the security template (architecture
 * Data Model comments; research §5/§6):
 *   1. `PrimarySourceUrl` missing/empty -> DROP (no-uncited-claim — the
 *      whole point of this format).
 *   2. `PolicyClass` === "never-encode" -> DROP (parasite SEO, expired-domain
 *      plays, paid links, mass AI pages, AI-recommendation poisoning).
 * Plus the standard: empty playbookId, missing Title, or an invalid
 * PolicyClass value all drop the block. Never throws. No code fences here —
 * SEO signatures carry `tactic`, not unsafe/safe examples, so there is no
 * `extractFencedExample` machinery to port.
 */
import type { SeoSignature } from "./types.js";
export declare const SeoPlaybookParser: {
    /**
     * Pure and total: parses `markdown` (no fs access), never throws, and
     * returns ONLY the surviving signatures — dropped blocks (uncited or
     * never-encode) are absent from the output entirely.
     */
    parse(markdown: string, skillRelPath: string): SeoSignature[];
    /** Same as `parse`, plus a dropped-block count for report-diagnostics auditability. */
    parseWithDiagnostics(markdown: string, skillRelPath: string): {
        signatures: SeoSignature[];
        dropped: number;
    };
};
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