import type { TrajectoryFrame } from './index';
import type { TrajectoryRun } from './run';
export type TrajectoryFrameResolver = (frame_idx: number) => TrajectoryFrame | null | Promise<TrajectoryFrame | null>;
export declare function trajectory_export_basename(filename: string): string;
export declare function poscar_frame_filename(filename: string, frame_idx: number, total_frames: number): string;
export declare function trajectory_frame_to_extxyz_str(frame: TrajectoryFrame): string;
export declare function serialize_extxyz_frame_range(start_frame: number, end_frame: number, resolve_frame: TrajectoryFrameResolver, on_progress?: (completed: number, total: number) => void): Promise<string>;
export declare function create_poscar_frame_range_zip(start_frame: number, end_frame: number, resolve_frame: TrajectoryFrameResolver, filename: string, total_frames: number, on_progress?: (completed: number, total: number) => void): Promise<Blob>;
export interface TrajectoryPropertyRow {
    frame: number;
    step: number;
    properties: Record<string, number>;
}
export interface TrajectoryPropertyTable {
    start_frame: number;
    end_frame: number;
    source: `frames` | `properties`;
    rows: TrajectoryPropertyRow[];
}
export declare function collect_frame_property_rows(start_frame: number, end_frame: number, resolve_frame: TrajectoryFrameResolver, run: TrajectoryRun, on_progress?: (completed: number, total: number) => void): Promise<TrajectoryPropertyTable>;
export declare function frame_rows_to_csv({ rows }: TrajectoryPropertyTable): string;
export declare function frame_rows_to_json(table: TrajectoryPropertyTable): string;