t-comm/lib/validate/is-index.d.ts

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/**
 * Checks if `value` is a valid array-like index.
 *
 * @param {*} value The value to check.
 * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
 * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
 */
export declare function isIndex(value: any, length?: number): boolean;