export declare type NonStrict<T> = T | null | undefined;
export declare type Callback<T> = (err: NonStrict<Error>, res?: NonStrict<T>) => void;
export declare type OrArray<T> = T | T[];
export interface ICellIndex {
    rowIndex?: number;
    colIndex?: number;
}
export interface IRowRange {
    startRow?: number;
    endRow?: number;
}
export interface IColRange {
    startCol?: number;
    endCol?: number;
}
export interface ISheetRange {
    startRow?: number;
    endRow?: number;
    startCol?: number;
    endCol?: number;
}
export interface ISpreadSheetRange {
    startRow?: number;
    endRow?: number;
    startCol?: number;
    endCol?: number;
    sheetId?: string;
}
export interface IRange {
    startRow?: number;
    endRow?: number;
    startCol?: number;
    endCol?: number;
    sheetTitle?: string;
}
export interface IRowDataOptions {
    range?: IRowRange;
    sheetTitle?: string;
}
export interface IRowBatchDataOptions {
    ranges?: IRowRange[];
    sheetTitle?: string;
}
export interface IColDataOptions {
    range?: IColRange;
    sheetTitle?: string;
}
export interface IColBatchDataOptions {
    ranges?: IColRange[];
    sheetTitle?: string;
}
export interface ISheetDataOptions {
    range?: ISheetRange;
    majorDimension?: "ROWS" | "COLUMNS";
    sheetTitle?: string;
}
export interface ISheetBatchDataOptions {
    ranges?: ISheetRange[];
    majorDimension?: "ROWS" | "COLUMNS";
    sheetTitle?: string;
}
export interface ISpreadsheetDataOptions {
    range?: ISpreadSheetRange;
    majorDimension?: "ROWS" | "COLUMNS";
    sheetTitle?: string | string[];
}
export interface ISpreadsheetBatchDataOptions {
    ranges?: ISpreadSheetRange[];
    majorDimension?: "ROWS" | "COLUMNS";
    sheetTitle?: string | string[];
}
export interface IBatchGetOptions {
    majorDimension?: "ROWS" | "COLUMNS";
    valueRenderOption?: "FORMATTED_VALUE" | "UNFORMATTED_VALUE" | "FORMULA";
    dateTimeRenderOption?: "SERIAL_NUMBER" | "FORMATTED_STRING";
    fields?: string;
}
export interface ISpreadsheetInfo {
    spreadsheetId?: string;
    spreadsheetUrl?: string;
    properties: {
        title: string;
    };
    sheets: ISheetInfo[];
}
export interface ISheetInfo {
    properties: {
        sheetId: number;
        title: string;
        index: number;
        gridProperties: {
            rowCount: number;
            columnCount: number;
        };
    };
}
export interface ISheetIdentifiers {
    sheetId: number;
    sheetTitle: string;
}
export interface IServiceAccountCreds {
    client_email: string;
    private_key: string;
}
export interface IJWTToken {
    expiry_date: number;
}