/** (Internal.) Options which must be supplied. */
export declare type RequiredOptions = {
    /**
     * SmartyStreets auth ID. You can get this
     * {@link here|https://smartystreets.com/account/keys} listed under "Security
     * Keys".
     */
    authId: string;
    /**
     * SmartyStreets auth token. You can get this
     * {@link here|https://smartystreets.com/account/keys} listed under "Security
     * Keys".
     */
    authToken: string;
    /**
     * A JSON object describing what column structure to request.
     *
     * For examples, see
     * {@link https://github.com/faradayio/node_smartystreets/blob/master/structure/|the JSON files which ship with SmartyStreets}.
     */
    structure: {
        [key: string]: any;
    };
};
/** (Internal.) Default values for geocoding options. */
export declare const DEFAULTS: DefaultableOptions;
/** (Internal.) Options which can be omitted. */
export declare type DefaultableOptions = {
    /**
     * The CSV column which contains street data (e.g. "123 main st"). The default
     * is `"street"`. You may also pass an array containing multiple column names;
     * the values of those columns will be combined using spaces.
     */
    streetCol: string | string[];
    /**
     * The CSV column which contains the zip code. The default is `"zipcode"`.
     *
     * Note: If your file includes street and zipcode, you don't need to include
     * city and state data, as it will not be used. If your file does not include
     * zipcode, you must include city and state columns.
     */
    zipcodeCol: string;
    /**
     * The name of the column in your input file that contains the city or town,
     * e.g. 'Albany'. Default is 'city'.
     *
     * Note: City is only used if zipcode is not present.
     */
    cityCol: string;
    /**
     * The name of the column in your input file that contains the state, e.g.
     * 'Vermont'. Default is 'state'.
     */
    stateCol: string;
    /**
     * Tune this if you fancy yourself an engineer and want to get a slight
     * increase in performance. Default is 48. It should be higher if you have an
     * unmetered 10 gigabit connection, and lower if you're on an EDGE wireless
     * signal. If you want to run fifty instances of this program at the same
     * time, you may experience dropped connections which can be dealt with by
     * turning this down.
     */
    concurrency: number;
    /**
     * The prefix applied to all columns that are added to your output file.
     * Default is `ss_`. `delivery_line_1` becomes `ss_delivery_line_1`.
     */
    columnPrefix: string;
    /**
     * This is the suffix applied to all columns that are added to your output
     * file. Default is the empty string.
     */
    columnSuffix: string;
    /**
     * Reduce output. Default is false.
     */
    quiet: boolean;
    /**
     * By default, we log a message every X number of rows to let you know how
     * it's doing. The default is 1000.
     */
    logInterval: number | null | undefined;
    /**
     * If a batch of rows cannot be geocoded after 5 retries, they will be
     * dropped. You can use this option to limit that. If you set it 0, any
     * dropped rows will cause the process to exit with a code of 1. If you set it
     * to 1,000, geocoding failures will be tolerated up to 1,000 rows.
     */
    dropThreshold: number | null | undefined;
    /**
     * How long wait, in milliseconds, before retrying a failed chunk. Default is
     * 500.
     */
    retryTimeout: number;
    /**
     * Not required. Allows approximate geocoding of addresses that SmartyStreets
     * considers invalid. Be cautious - this may introduce potentially-large
     * precision degredation.
     */
    includeInvalid: boolean;
    /**
     * Should we stream the output data as objects or as arrays?  Default is
     * `"array"`, but only for backwards compatibility. Sample array output:
     *
     *     ["col1", "col2"]
     *     ["val1", "val2"]
     *     ["val3", "val4"]
     *
     * Sample object output:
     *
     *     {"col1": "val1", "col2": "val2"}
     *     {"col1": "val3", "col2": "val4"}
     */
    outputStreamFormat: OutputStreamFormat;
};
/** Geocoding options for smartystreets. */
export declare type Options = RequiredOptions & Partial<DefaultableOptions>;
/** (Internal.) All options, with no unnecessary defaults. */
export declare type FullOptions = RequiredOptions & DefaultableOptions;
/**
 * Allowed `outputStreamFormat` values. We declare this as a named type so that
 * our callers can use it in their own APIs if desired.
 */
export declare type OutputStreamFormat = "object" | "array";