import type { Vec3 } from '../math';
import type { Crystal } from '../structure';
import { type TrajectoryRun } from '../trajectory';
import type { Complex, PhononBandStructure, PhononModeData, PhononModeSelection } from './types';
interface PhononModeTrajectoryOptions {
    amplitude?: number;
    supercell?: Vec3;
    n_frames?: number;
    vector_key?: string;
}
export interface PhononSupercell {
    data: PhononModeData;
    scaling: Vec3;
    structure: Crystal;
    atom_idx: Uint32Array;
    cell_position: Float64Array;
}
export interface PhononModePattern {
    supercell: PhononSupercell;
    selection: PhononModeSelection;
    frequency: number;
    q_position: Vec3;
    displacements: Float64Array;
    is_commensurate: boolean;
}
export declare const DEFAULT_PHONON_AMPLITUDE = 0.3;
export declare const DEFAULT_PHONON_SUPERCELL: Vec3;
export declare const DEFAULT_PHONON_FRAMES = 48;
export declare const DEFAULT_PHONON_FPS = 24;
export declare const DEFAULT_PHONON_SHOW_VECTORS = false;
export declare const PHONON_VECTOR_KEY = "phonon_displacement";
export declare const MAX_PHONON_SUPERCELL_SITES = 200000;
export declare function default_phonon_mode_selection(data: PhononModeData): PhononModeSelection | undefined;
export declare function phonon_band_structure_from_modes(data: PhononModeData): PhononBandStructure;
export declare function is_commensurate_phonon_supercell(q_position: Vec3, supercell: Vec3, tolerance?: number): boolean;
export declare function phonon_mode_character(data: PhononModeData, eigenvector: Complex[][]): {
    element_weights: [string, number][];
    participation_ratio: number;
};
export declare function phonon_supercell(data: PhononModeData, supercell?: Vec3): PhononSupercell;
export declare function phonon_mode_pattern(supercell: PhononSupercell, selection: PhononModeSelection): PhononModePattern;
export declare function phonon_mode_run(pattern: PhononModePattern, options?: Omit<PhononModeTrajectoryOptions, `supercell`>): TrajectoryRun;
export declare function phonon_mode_trajectory(data: PhononModeData, selection: PhononModeSelection, options?: PhononModeTrajectoryOptions): TrajectoryRun;
export {};