import { Page } from 'puppeteer';

interface ExtraCol<T extends string = string> {
    colName: T;
    data: string;
    position?: number;
}
type GetColumnIndexType<T extends string = string> = (colName: T) => number;
declare enum RowValidationPolicy {
    NONE = "NONE",
    NON_EMPTY = "NON_EMPTY",
    EXACT_MATCH = "EXACT_MATCH"
}
type GroupByOptions = {
    cols: string[];
    handler?: (rows: string[][], getColumnIndex: GetColumnIndexType) => string[];
};
type ColParserFn<T extends string = string> = (value: string, formattedIndex: number, getColumnIndex: GetColumnIndexType<T>) => string;
type RowTransformFn<T extends string = string> = (row: string[], getColumnIndex: GetColumnIndexType<T>) => void;
type RowValidatorFn<T extends string = string> = (row: string[], getColumnIndex: GetColumnIndexType<T>, rowIndex: number, rows: Readonly<string[][]>) => boolean;
type ParserSettingsOptional = {
    temporaryColNames: string[];
    extraCols: ExtraCol[];
    withHeader: boolean;
    csvSeparator: string;
    newLine: string;
    rowValidationPolicy: RowValidationPolicy;
    groupBy: GroupByOptions;
    rowValidator: RowValidatorFn;
    rowTransform: RowTransformFn;
    asArray: boolean;
    rowValuesAsObject: boolean;
    rowValuesAsArray: boolean;
    colFilter: (elText: string[], index: number) => string;
    colParser: ColParserFn;
    optionalColNames: string[];
    reverseTraversal: boolean;
    headerRowsSelector: string | null;
    headerRowsCellSelector: string;
    bodyRowsSelector: string;
    bodyRowsCellSelector: string;
    excludedColumns: (rows: string[][], getColumnIndex: GetColumnIndexType) => string[];
};
interface ParserSettings extends Partial<ParserSettingsOptional> {
    selector: string;
    readonly allowedColNames: Record<string, string>;
}
type FullParserSettings = Required<ParserSettings>;
type ExtraColsMapper = (row: string[], key: keyof ExtraCol) => string[];
interface MergeParserSettings {
    allowedColNames: FullParserSettings['allowedColNames'];
    extraCols: FullParserSettings['extraCols'];
    temporaryColNames: FullParserSettings['temporaryColNames'];
}
type OmitOrFalsy<T, K extends keyof T> = Omit<T, K> & {
    [key in K]?: undefined | false;
};

declare const mergeParserSettings: (to: MergeParserSettings, from: MergeParserSettings, ignoredAllowedColumns?: string[]) => MergeParserSettings;

declare class GeneralError extends Error {
}
declare class NoTablesFoundError extends GeneralError {
}
declare class InvalidSettingsError extends GeneralError {
}
declare class MissingRequiredColumnsError extends GeneralError {
}
declare class InvalidColumnError extends GeneralError {
}

declare function tableParser(page: Page, settings: Omit<ParserSettings, 'asArray'> & {
    asArray: true;
    rowValuesAsArray?: false;
    rowValuesAsObject?: false;
}): Promise<string[]>;
declare function tableParser(page: Page, settings: Omit<ParserSettings, 'asArray' | 'rowValuesAsArray'> & {
    asArray: true;
    rowValuesAsArray: true;
    rowValuesAsObject?: false;
}): Promise<string[][]>;
declare function tableParser<T extends string, U extends string, V extends string>(page: Page, settings: Omit<ParserSettings, 'asArray' | 'rowValuesAsArray' | 'rowValuesAsObject' | 'allowedColNames' | 'extraCols' | 'rowTransform' | 'rowValidator' | 'temporaryColNames'> & {
    asArray: boolean;
    rowValuesAsObject: true;
    rowValuesAsArray?: false;
    allowedColNames: Record<V, T>;
    extraCols?: Array<ExtraCol<U>>;
    rowTransform?: RowTransformFn<T | U>;
    rowValidator?: RowValidatorFn<T | U>;
    temporaryColNames?: Array<V>;
}): Promise<Array<Record<T & U, string>>>;
declare function tableParser(page: Page, options: OmitOrFalsy<ParserSettings, 'asArray' | 'rowValuesAsObject' | 'rowValuesAsArray'>): Promise<string>;

export { ColParserFn, ExtraCol, ExtraColsMapper, FullParserSettings, GeneralError, GetColumnIndexType, GroupByOptions, InvalidColumnError, InvalidSettingsError, MergeParserSettings, MissingRequiredColumnsError, NoTablesFoundError, OmitOrFalsy, ParserSettings, ParserSettingsOptional, RowTransformFn, RowValidationPolicy, RowValidatorFn, mergeParserSettings, tableParser };