import type { SeoDataSource, SeoCapability, SearchAnalyticsQuery, SearchAnalyticsRow, UrlInspectionQuery, UrlInspectionRow, SerpQuery, SerpRow, KeywordQuery, KeywordRow, BacklinkQuery, BacklinkRow, AiVisibilityQuery, AiVisibilityRow, LinkGraphQuery, LinkGraphRow } from "../data-source.js";
import type { DataOutcome } from "../types.js";
/**
 * Pure, total CSV reader. First non-empty line is the header; every
 * subsequent non-empty line becomes one record keyed by that header.
 * Handles quoted fields (including embedded commas and escaped `""`),
 * `\r\n`/`\n` line endings, and a trailing blank line. Header-only input
 * (or empty input) returns `[]`. NEVER throws (same spirit as
 * `SeoPlaybookParser.parse`, `../parser.js:151-169`).
 */
export declare function parseCsv(text: string): Array<Record<string, string>>;
/**
 * Offline `SeoDataSource` backed by `.bober/seo/imports/` (or any directory
 * passed to the constructor — tests inject an absolute fixture path).
 *
 * `capabilities()` is synchronous but presence detection requires an async
 * `readdir`, so the present-file map is memoised in `load()` (mirrors
 * `SeoPlaybookIndex.load()`, `../playbook-index.js:43-67`). Every
 * capability method also calls `load()` itself if it hasn't run yet, so a
 * method invoked before an explicit `load()` still resolves correctly.
 */
export declare class LocalExportSource implements SeoDataSource {
    private readonly exportDir;
    private files;
    constructor(exportDir?: string);
    /**
     * Scan `exportDir` once for `<capability>.csv`/`.json` files and cache
     * which capabilities have a present file. Never throws: a missing
     * directory degrades to an empty capability set rather than rejecting.
     */
    load(): Promise<SeoCapability[]>;
    /** The capabilities this source can currently serve, or `[]` before `load()` has run. */
    capabilities(): SeoCapability[];
    searchAnalytics(_q: SearchAnalyticsQuery): Promise<DataOutcome<SearchAnalyticsRow[]>>;
    urlInspection(_q: UrlInspectionQuery): Promise<DataOutcome<UrlInspectionRow[]>>;
    serp(_q: SerpQuery): Promise<DataOutcome<SerpRow[]>>;
    keywords(_q: KeywordQuery): Promise<DataOutcome<KeywordRow[]>>;
    backlinks(_q: BacklinkQuery): Promise<DataOutcome<BacklinkRow[]>>;
    aiVisibility(_q: AiVisibilityQuery): Promise<DataOutcome<AiVisibilityRow[]>>;
    linkGraph(_q: LinkGraphQuery): Promise<DataOutcome<LinkGraphRow[]>>;
    /**
     * Shared read path for every capability method.
     *
     * Order: ensure `load()` has run -> absent file => `disabled` -> read +
     * parse (CSV or JSON) -> zero rows => `abstain{empty-export}` -> `stat`
     * for `mtimeMs` -> `data` + `provenance{source:"local-export",
     * retrievedAt, path, mtimeMs}` (sc-6-4). NEVER throws out of this
     * method — any fs/parse error maps to `abstain{source-error}`, mirroring
     * `MedlineSource.fetchPassages` (`../../medical/retrieval/medline-source.js:142-164`).
     */
    private readCapability;
}
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