/**
 * BLS SDK — typed API client for the Bureau of Labor Statistics Public Data API v2.
 *
 * Standalone — no MCP server required. Usage:
 *
 *   import { getSeriesData, searchPopularSeries } from "us-gov-open-data-mcp/sdk/bls";
 *
 * Optional BLS_API_KEY env var — get one at https://www.bls.gov/developers/home.htm
 * Without key: 25 req/day, 10yr max range, no calculations.
 * With key: 500 req/day, 20yr range, calculations enabled.
 */
/** Bls Observation. */
export interface BlsObservation {
    year: string;
    period: string;
    periodName: string;
    latest: string;
    value: string;
    footnotes: {
        code: string;
        text: string;
    }[];
    calculations?: {
        net_changes?: Record<string, string>;
        pct_changes?: Record<string, string>;
    };
}
/** Bls Series. */
export interface BlsSeries {
    seriesID: string;
    data: BlsObservation[];
}
/** Bls Response. */
export interface BlsResponse {
    status: string;
    responseTime: number;
    message: string[];
    Results: {
        series: BlsSeries[];
    };
}
/** Bls Popular Series. */
export interface BlsPopularSeries {
    id: string;
    name: string;
    category: string;
}
/** BLS series ID prefix codes — identifies the survey/program a series belongs to. */
export declare const seriesPrefixes: {
    readonly CES: "Current Employment Statistics (establishment survey — jobs by industry)";
    readonly LNS: "Labor Force Statistics, seasonally adjusted (household survey)";
    readonly LNU: "Labor Force Statistics, not seasonally adjusted";
    readonly CU: "Consumer Price Index (CPI-U, urban consumers)";
    readonly CW: "Consumer Price Index (CPI-W, wage earners)";
    readonly WP: "Producer Price Index (PPI)";
    readonly OE: "Occupational Employment and Wages (OES)";
    readonly JT: "Job Openings and Labor Turnover Survey (JOLTS)";
    readonly LA: "Local Area Unemployment Statistics (LAUS)";
    readonly SM: "State and Metro Area Employment (CES)";
    readonly EN: "Quarterly Census of Employment and Wages (QCEW)";
    readonly PR: "Productivity and Costs";
    readonly EI: "Employment Cost Index (ECI)";
    readonly AP: "Average Price Data";
};
/** Curated catalog of popular BLS series IDs with names and topic categories. Used by `searchPopularSeries()`. */
export declare const popularSeries: BlsPopularSeries[];
/** State abbreviation to FIPS code mapping — used to construct LAUS employment series IDs. */
export declare const stateFips: {
    readonly AL: "01";
    readonly AK: "02";
    readonly AZ: "04";
    readonly AR: "05";
    readonly CA: "06";
    readonly CO: "08";
    readonly CT: "09";
    readonly DE: "10";
    readonly DC: "11";
    readonly FL: "12";
    readonly GA: "13";
    readonly HI: "15";
    readonly ID: "16";
    readonly IL: "17";
    readonly IN: "18";
    readonly IA: "19";
    readonly KS: "20";
    readonly KY: "21";
    readonly LA: "22";
    readonly ME: "23";
    readonly MD: "24";
    readonly MA: "25";
    readonly MI: "26";
    readonly MN: "27";
    readonly MS: "28";
    readonly MO: "29";
    readonly MT: "30";
    readonly NE: "31";
    readonly NV: "32";
    readonly NH: "33";
    readonly NJ: "34";
    readonly NM: "35";
    readonly NY: "36";
    readonly NC: "37";
    readonly ND: "38";
    readonly OH: "39";
    readonly OK: "40";
    readonly OR: "41";
    readonly PA: "42";
    readonly RI: "44";
    readonly SC: "45";
    readonly SD: "46";
    readonly TN: "47";
    readonly TX: "48";
    readonly UT: "49";
    readonly VT: "50";
    readonly VA: "51";
    readonly WA: "53";
    readonly WV: "54";
    readonly WI: "55";
    readonly WY: "56";
    readonly PR: "72";
    readonly VI: "78";
    readonly GU: "66";
    readonly AS: "60";
    readonly MP: "69";
};
/** Fetch time series data from BLS. Posts to /timeseries/data/ with series IDs. */
export declare function getSeriesData(seriesIds: string[], opts?: {
    startYear?: number;
    endYear?: number;
}): Promise<BlsResponse>;
/** Local lookup — search popular series by topic. No API call. */
export declare function searchPopularSeries(topic: string): BlsPopularSeries[];
/** Get state employment series IDs constructed from FIPS codes. */
export declare function getStateEmploymentSeries(stateCode: string): BlsPopularSeries[] | null;
/** Get available topic categories. */
export declare function getAvailableTopics(): string[];
/** CPI component series — series ID to human-readable label. Use `Object.keys()` for the ID list. */
export declare const cpiSeries: {
    readonly CUUR0000SA0: "All Items";
    readonly CUUR0000SAF1: "Food";
    readonly CUUR0000SAH1: "Shelter/Housing";
    readonly CUUR0000SETB01: "Gasoline";
    readonly CUUR0000SAM: "Medical Care";
    readonly CUUR0000SAE: "Education & Communication";
    readonly CUUR0000SAT: "Transportation";
    readonly CUUR0000SAR: "Recreation";
    readonly CUUR0000SAA: "Apparel";
};
/** Employment-by-industry series — series ID to sector label. Use `Object.keys()` for the ID list. */
export declare const industrySeries: {
    readonly CES0000000001: "Total Nonfarm";
    readonly CES1000000001: "Mining & Logging";
    readonly CES2000000001: "Construction";
    readonly CES3000000001: "Manufacturing";
    readonly CES4000000001: "Trade/Transport/Utilities";
    readonly CES5000000001: "Information";
    readonly CES5500000001: "Financial Activities";
    readonly CES6000000001: "Professional & Business Services";
    readonly CES6500000001: "Education & Health";
    readonly CES7000000001: "Leisure & Hospitality";
    readonly CES8000000001: "Other Services";
    readonly CES9000000001: "Government";
};
/** Clear cached responses. */
export declare function clearCache(): void;
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