import type { Vec2 } from '../math';
import type { XrdPattern } from './index';
export type BroadeningParams = {
    U: number;
    V: number;
    W: number;
    shape_factor: number;
};
export declare const DEFAULT_BROADENING: BroadeningParams;
export declare function caglioti_fwhm(two_theta: number, U: number, V: number, W: number): number;
export declare const compute_broadened_pattern: (pattern: XrdPattern, params: BroadeningParams, range: Vec2, // Angular range [min, max] in degrees
step_size?: number) => XrdPattern;