import { RVResourceBasedDataSourceItem } from "../AbstractClasses/RVResourceBasedDataSourceItem";
import { nullableString } from "../types";
import { RVDataSourceItem } from "../AbstractClasses/RVDataSourceItem";
/**
 * The data source item used to represent a dataset from a CSV file, it includes
 * optional settings like the separator to use when parsing the data.
 */
export declare class RVCsvDataSourceItem extends RVResourceBasedDataSourceItem {
    constructor(resourceItem: RVDataSourceItem);
    /** @hidden */
    constructor(json: any);
    /** @hidden */
    toJson(): any;
    private _dateFormat;
    /**
     * Optional date format to use when parsing/detecting date columns, if not specified Reveal
     * will try to infer the date format to use for each column (if it detects the column
     * is a date, date time or time column).
     */
    get dateFormat(): nullableString;
    set dateFormat(value: nullableString);
    private _encoding;
    /**
     * The encoding to use, if not specified Reveal will try to detect it automatically.
     */
    get encoding(): nullableString;
    set encoding(value: nullableString);
    private _separator;
    /**
     * The separator to use, one of ',', ';', or 'TAB'. If not specified it will be detected automatically.
     */
    get separator(): nullableString;
    set separator(value: nullableString);
    /** @hidden */
    getType(): string;
}