/** @format */
import { Rational } from './rational.js';
import { TypedArray } from './typings.js';
/**
 * Abstract class containing utility methods for array operations.
 */
export declare abstract class ArrayUtils {
    /**
     * Copies a subarray from an Int8Array.
     * @param {Int8Array} from - The source array.
     * @param {number} [begin] - The beginning index.
     * @param {number} [end] - The ending index.
     * @returns {Int8Array} A new Int8Array containing the copied elements.
     */
    static copyInt8(from: Int8Array, begin?: number, end?: number): Int8Array;
    /**
     * Copies a subarray from a Uint8Array.
     * @param {Uint8Array} from - The source array.
     * @param {number} [begin] - The beginning index.
     * @param {number} [end] - The ending index.
     * @returns {Uint8Array} A new Uint8Array containing the copied elements.
     */
    static copyUint8(from: Uint8Array, begin?: number, end?: number): Uint8Array;
    /**
     * Copies a subarray from an Int16Array.
     * @param {Int16Array} from - The source array.
     * @param {number} [begin] - The beginning index.
     * @param {number} [end] - The ending index.
     * @returns {Int16Array} A new Int16Array containing the copied elements.
     */
    static copyInt16(from: Int16Array, begin?: number, end?: number): Int16Array;
    /**
     * Copies a subarray from a Uint16Array.
     * @param {Uint16Array} from - The source array.
     * @param {number} [begin] - The beginning index.
     * @param {number} [end] - The ending index.
     * @returns {Uint16Array} A new Uint16Array containing the copied elements.
     */
    static copyUint16(from: Uint16Array, begin?: number, end?: number): Uint16Array;
    /**
     * Copies a subarray from an Int32Array.
     * @param {Int32Array} from - The source array.
     * @param {number} [begin] - The beginning index.
     * @param {number} [end] - The ending index.
     * @returns {Int32Array} A new Int32Array containing the copied elements.
     */
    static copyInt32(from: Int32Array, begin?: number, end?: number): Int32Array;
    /**
     * Copies a subarray from a Uint32Array.
     * @param {Uint32Array} from - The source array.
     * @param {number} [begin] - The beginning index.
     * @param {number} [end] - The ending index.
     * @returns {Uint32Array} A new Uint32Array containing the copied elements.
     */
    static copyUint32(from: Uint32Array, begin?: number, end?: number): Uint32Array;
    /**
     * Copies a subarray from a Float32Array.
     * @param {Float32Array} from - The source array.
     * @param {number} [begin] - The beginning index.
     * @param {number} [end] - The ending index.
     * @returns {Float32Array} A new Float32Array containing the copied elements.
     */
    static copyFloat32(from: Float32Array, begin?: number, end?: number): Float32Array;
    /**
     * Copies a subarray from a Float64Array.
     * @param {Float64Array} from - The source array.
     * @param {number} [begin] - The beginning index.
     * @param {number} [end] - The ending index.
     * @returns {Float64Array} A new Float64Array containing the copied elements.
     */
    static copyFloat64(from: Float64Array, begin?: number, end?: number): Float64Array;
    /**
     * Copies a subarray from a TypedArray.
     * @param {TypedArray} from - The source array.
     * @param {number} [begin] - The beginning index.
     * @param {number} [end] - The ending index.
     * @returns {TypedArray} A new TypedArray containing the copied elements.
     * @throws {LibError} If the array type is unknown.
     */
    static copy(from: TypedArray, begin?: number, end?: number): TypedArray;
    /**
     * Copies a range of elements from one TypedArray to another.
     * @param {TypedArray} from - The source array.
     * @param {number} fromStart - The starting index in the source array.
     * @param {TypedArray} to - The destination array.
     * @param {number} toStart - The starting index in the destination array.
     * @param {number} length - The number of elements to copy.
     */
    static copyRange<T extends TypedArray>(from: T, fromStart: number, to: T, toStart: number, length: number): void;
    /**
     * Fills an array with a specified value.
     * @param {number} length - The length of the array.
     * @param {T} value - The value to fill the array with.
     * @returns {T[]} A new array filled with the specified value.
     */
    static fill<T>(length: number, value: T): T[];
    /**
     * Generates an array using a provided function.
     * @param {number} length - The length of the array.
     * @param {(index: number) => T} func - The function to generate each element.
     * @returns {T[]} A new array generated by the provided function.
     */
    static generate<T>(length: number, func: (index: number) => T): T[];
    /**
     * Compares two arrays for equality.
     * @param {TypedArray | unknown[]} a1 - The first array.
     * @param {TypedArray | unknown[]} a2 - The second array.
     * @returns {boolean} True if the arrays are equal, false otherwise.
     */
    static equals(a1: TypedArray | unknown[], a2: TypedArray | unknown[]): boolean;
    /**
     * Compares two arrays of Rational objects for equality.
     * @param {Rational[]} a1 - The first array.
     * @param {Rational[]} a2 - The second array.
     * @returns {boolean} True if the arrays are equal, false otherwise.
     */
    static equalsRationalArray(a1: Rational[], a2: Rational[]): boolean;
    /**
     * Retrieves the numeric values from an enum.
     * @param {T} t - The enum object.
     * @returns {number[]} An array of numeric values from the enum.
     */
    static getNumEnumValues<T extends object>(t: T): number[];
    /**
     * Checks if an object is a numeric array or a TypedArray.
     * @param {unknown} obj - The object to check.
     * @returns {boolean} True if the object is a numeric array or a TypedArray, false otherwise.
     */
    static isNumArrayOrTypedArray(obj: unknown): boolean;
    /**
     * Checks if an object is an array of Rational objects.
     * @param {unknown} obj - The object to check.
     * @returns {boolean} True if the object is an array of Rational objects, false otherwise.
     */
    static isArrayOfRational(obj: unknown): boolean;
}