/** @format */
import { InputBuffer } from '../../common/input-buffer.js';
import { OutputBuffer } from '../../common/output-buffer.js';
import { IfdValue } from './ifd-value.js';
import { IfdValueType } from '../ifd-value-type.js';
import { Rational } from '../../common/rational.js';
/**
 * Class representing a rational value in an IFD (Image File Directory).
 */
export declare class IfdRationalValue extends IfdValue {
    /**
     * Array of Rational values.
     */
    private _value;
    /**
     * Gets the type of the IFD value.
     * @returns {IfdValueType} The type of the IFD value.
     */
    get type(): IfdValueType;
    /**
     * Gets the length of the rational value array.
     * @returns {number} The length of the array.
     */
    get length(): number;
    /**
     * Constructs an IfdRationalValue instance.
     * @param {Rational[] | Rational} value - The rational value(s).
     */
    constructor(value: Rational[] | Rational);
    /**
     * Creates an IfdRationalValue from input buffer data.
     * @param {InputBuffer<Uint8Array>} data - The input buffer containing the data.
     * @param {number} length - The number of rational values to read.
     * @returns {IfdRationalValue} The created IfdRationalValue instance.
     */
    static data(data: InputBuffer<Uint8Array>, length: number): IfdRationalValue;
    /**
     * Creates an IfdRationalValue from another Rational instance.
     * @param {Rational} other - The other Rational instance.
     * @returns {IfdRationalValue} The created IfdRationalValue instance.
     */
    static from(other: Rational): IfdRationalValue;
    /**
     * Converts the rational value at the specified index to an integer.
     * @param {number} [index=0] - The index of the rational value.
     * @returns {number} The integer representation of the rational value.
     */
    toInt(index?: number): number;
    /**
     * Converts the rational value at the specified index to a double.
     * @param {number} [index=0] - The index of the rational value.
     * @returns {number} The double representation of the rational value.
     */
    toDouble(index?: number): number;
    /**
     * Gets the rational value at the specified index.
     * @param {number} [index=0] - The index of the rational value.
     * @returns {Rational} The rational value.
     */
    toRational(index?: number): Rational;
    /**
     * Writes the rational values to the output buffer.
     * @param {OutputBuffer} out - The output buffer.
     */
    write(out: OutputBuffer): void;
    /**
     * Sets the rational value at the specified index.
     * @param {number} numerator - The numerator of the rational value.
     * @param {number} denominator - The denominator of the rational value.
     * @param {number} [index=0] - The index to set the rational value at.
     */
    setRational(numerator: number, denominator: number, index?: number): void;
    /**
     * Checks if this IfdRationalValue is equal to another IfdValue.
     * @param {IfdValue} other - The other IfdValue to compare with.
     * @returns {boolean} True if equal, otherwise false.
     */
    equals(other: IfdValue): boolean;
    /**
     * Clones this IfdRationalValue.
     * @returns {IfdValue} The cloned IfdRationalValue.
     */
    clone(): IfdValue;
    /**
     * Converts this IfdRationalValue to a string representation.
     * @returns {string} The string representation of this IfdRationalValue.
     */
    toString(): string;
}