//#region src/is-lesser-equal/index.d.ts
/**
 * Creates a predicate function that determines if a value is less than or equal to a threshold.
 *
 * @template T - The type of the values (number or string)
 * @param threshold - The threshold value to compare against
 * @param value - The value to test
 *
 * @remarks
 * - Pure function with no side effects
 * - Uses JavaScript's `<=` operator for comparison
 * - Works with both numbers and strings (lexicographic comparison for strings)
 * - Inclusive comparison (equal values return true)
 * - Useful for array filtering and functional composition
 *
 * @example
 * ```typescript
 * const isAtMost100 = isLesserEqual(100);
 * isAtMost100(50);  // true
 * isAtMost100(100); // true (inclusive)
 * isAtMost100(150); // false
 *
 * const isAtMostM = isLesserEqual('M');
 * isAtMostM('A'); // true
 * isAtMostM('M'); // true
 * isAtMostM('Z'); // false
 *
 * // Useful with arrays
 * const ages = [16, 18, 21, 25, 30];
 * const underAge = ages.filter(isLesserEqual(20)); // [16, 18]
 * ```
 */
declare const isLesserEqual: <T extends number | string>(threshold: T) => (value: T) => boolean;
//#endregion
export { isLesserEqual };
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