import { CellInterface, Sheet, CellPosition } from "./parser";
export declare const isNull: (value: any) => boolean;
export declare type DATATYPES = "null" | "number" | "string" | "date" | "formula" | "richtext" | "boolean" | "error" | "hyperlink" | "array";
/**
 * Detect datatype of a string
 * @param value
 */
export declare const detectDataType: (value?: any) => DATATYPES | undefined;
/**
 * Converts address string to CellInterface
 * @param address
 */
export declare const addressToCell: (address: string) => CellInterface | null;
/**
 * Convert cellInterface to address string
 * @param cell
 */
export declare const cellToAddress: (cell: CellInterface | null) => string | null;
/**
 * Number to alphabet
 * @param i
 */
export declare const number2Alpha: (i: number) => string;
/**
 * Converts a letter to number
 * A = 1
 * B => 2
 * @param letters
 */
export declare const alpha2number: (letters: string) => number;
export declare const createPosition: (id: Sheet, row?: number, col?: number) => CellPosition;
/**
 * Converts a value to string
 * @param value
 */
export declare const castToString: (value: any) => string | undefined;
export declare const log: (...args: any[]) => void;