1/**
  2 * If the value is UNDEFINED, return true.
  3 * @param value - Value to check if undefined.
  4 * @returns {boolean}
  5 */
  6declare function isUndefined(value: any): boolean;
  7/**
  8 * If the value is DEFINED, return true.
  9 * @param value - Value to check if is defined.
 10 * @returns {boolean}
 11 */
 12declare function isDefined(value: any): boolean;
 13/**
 14 * Returns true if value is an instance of a Array.
 15 * @param value
 16 * @returns {boolean}
 17 */
 18declare function isArray(value: any): boolean;
 19/**
 20 * Alphabetical character to number.
 21 * @param chr
 22 * @returns {number}
 23 */
 24declare function characterToNumber(chr: any): number;
 25/**
 26 * Converts a number to an alphabetical character.
 27 * @param num
 28 * @returns {string}
 29 */
 30declare function numberToCharacter(num: any): string;
 31/**
 32 * Converts a quoted string to an un-quoted string: `"hey"` to `hey`
 33 * @param str
 34 * @returns {string}
 35 */
 36declare function string(str: any): any;
 37/**
 38 * Converts XY coordinates (eg {0, 0}) to A1 coordinates (eg {A1}).
 39 * @param x
 40 * @param y
 41 * @returns {string}
 42 */
 43declare function convertXYtoA1Coordinates(x: any, y: any): any;
 44/**
 45 * Returns RowCol coordinates of an A1 cellId
 46 * @param cellId
 47 * @returns {Object}
 48 */
 49declare function A1toRowColCoordinates(cellId: any): {
 50    row: number;
 51    col: number;
 52};
 53/**
 54 * Class for building formatted strings with commas, forced number of leading and trailing zeros, and arbitrary leading
 55 * and trailing strings.
 56 */
 57declare class NumberStringBuilder {
 58    private n;
 59    private shouldUseComma;
 60    private integerZeroCount;
 61    private decimalZeroCount;
 62    private maxDecimalPlaces;
 63    private headString;
 64    private tailString;
 65    /**
 66     * Static builder, easier than `new`.
 67     * @returns {NumberStringBuilder}
 68     */
 69    static start(): NumberStringBuilder;
 70    /**
 71     * Pads a given string with "0" on the right or left side until it is a certain width.
 72     * @param {string} str - String to pad.
 73     * @param {number} width - Width to pad to. If this is less than the strings length, will do nothing.
 74     * @param {string} type - "right" or "left" side to append zeroes.
 75     * @returns {string}
 76     */
 77    private static pad(str, width, type);
 78    /**
 79     * Rounds a number n to a certain number of digits.
 80     * @param n - Number to round.
 81     * @param digits - Digits to round to.
 82     * @returns {number}
 83     */
 84    private static round(n, digits);
 85    /**
 86     * Set the number that we'll be formatting.
 87     * @param {number} n - Number.
 88     * @returns {NumberStringBuilder}
 89     */
 90    number(n: number): NumberStringBuilder;
 91    /**
 92     * The number of zeros to force on the left side of the decimal.
 93     * @param {number} zeros
 94     * @returns {NumberStringBuilder}
 95     */
 96    integerZeros(zeros: number): NumberStringBuilder;
 97    /**
 98     * The number of zeros to force on the right side of the decimal.
 99     * @param {number} zeros
100     * @returns {NumberStringBuilder}
101     */
102    decimalZeros(zeros: number): NumberStringBuilder;
103    /**
104     * If you would like to force the maximum number of decimal places, without padding with zeros, set this.
105     * WARNING: Should not be used in conjunction with decimalZeros().
106     * @param {number} maxDecimalPlaces
107     * @returns {NumberStringBuilder}
108     */
109    maximumDecimalPlaces(maxDecimalPlaces: number): NumberStringBuilder;
110    /**
111     * Should digits to the left side of the decimal use comma-notation?
112     * @param {boolean} shouldUseComma
113     * @returns {NumberStringBuilder}
114     */
115    commafy(shouldUseComma: boolean): NumberStringBuilder;
116    /**
117     * String to append to the beginning of the final formatted number.
118     * @param {string} head
119     * @returns {NumberStringBuilder}
120     */
121    head(head: string): NumberStringBuilder;
122    /**
123     * String to append to the end of the final formatted number.
124     * @param {string} tail
125     * @returns {NumberStringBuilder}
126     */
127    tail(tail: string): NumberStringBuilder;
128    /**
129     * Building the string using the rules set in this builder.
130     * @returns {string}
131     */
132    build(): string;
133}
134export { isDefined, isUndefined, isArray, string, numberToCharacter, convertXYtoA1Coordinates, A1toRowColCoordinates, characterToNumber, NumberStringBuilder };