import type { VibrationInput, VibrationResult } from './types.js';
/**
 * Calculate natural frequencies for various vibration systems.
 *
 * @throws RangeError if a required geometry or system parameter is not positive,
 *   or if innerDiameter is not less than outerDiameter for a hollow section
 */
export declare function vibration(input: VibrationInput): VibrationResult;
//# sourceMappingURL=vibration.d.ts.map