/**
 * Adapter for the Residential Property Price Register (PSRA).
 *
 * Upstream is the official per-year-per-county CSV download from
 * propertypriceregister.ie — verified 2026-07-10 (see docs/DATA_SOURCES.md §2
 * for why the CivicTech API was not used). CSVs are CP1252-encoded with
 * columns: Date of Sale (dd/mm/yyyy), Address, County, Eircode, Price (€),
 * Not Full Market Price, VAT Exclusive, Description of Property,
 * Property Size Description. Cached 24h per (county, year).
 */
/** Earliest year covered by the register. */
export declare const PPR_FIRST_YEAR = 2010;
/** PPR counties as they appear in download filenames (Republic of Ireland). */
export declare const PPR_COUNTIES: readonly ["Carlow", "Cavan", "Clare", "Cork", "Donegal", "Dublin", "Galway", "Kerry", "Kildare", "Kilkenny", "Laois", "Leitrim", "Limerick", "Longford", "Louth", "Mayo", "Meath", "Monaghan", "Offaly", "Roscommon", "Sligo", "Tipperary", "Waterford", "Westmeath", "Wexford", "Wicklow"];
export type PprCounty = (typeof PPR_COUNTIES)[number];
/** Case-insensitive county match; returns the canonical filename form. */
export declare function canonicalCounty(input: string): PprCounty | null;
export interface PprSaleRecord {
    date_of_sale: string;
    price_eur: number;
    address: string;
    county: string;
    eircode: string | null;
    description_of_property: string;
    property_size_description: string | null;
    not_full_market_price: boolean;
    vat_exclusive: boolean;
}
/**
 * Minimal RFC 4180 CSV parser (quoted fields, embedded commas/newlines,
 * doubled quotes). The PPR files are simple enough that a dependency isn't
 * warranted.
 */
export declare function parseCsv(text: string): string[][];
/** Fetch and parse one official year/county CSV. Cached 24h. */
export declare function fetchYearCounty(county: PprCounty, year: number, fetchImpl?: typeof fetch): Promise<PprSaleRecord[]>;
export declare const PPR_META: {
    readonly source: "Residential Property Price Register, Property Services Regulatory Authority (PSRA)";
    readonly source_url: "https://www.propertypriceregister.ie/";
    readonly licence: "PSRA terms — data may be reused with acknowledgement of the Property Services Regulatory Authority as source";
    readonly data_vintage: "Register updated as stamp-duty filings are processed (typically within weeks of sale); covers January 2010 onwards";
};