import type { TrajectoryDataExtractor, TrajectoryFrame, TrajectoryMetadata, TrajectorySignal } from '../index';
import type { TrajectoryProvenance, TrajectoryRun } from '../run';
export interface MemoryRunExtras {
    provenance?: TrajectoryProvenance;
    metadata?: Record<string, unknown>;
    time_step?: {
        value: number;
        unit: string;
    };
    atom_masses?: readonly number[];
    signals?: Record<string, TrajectorySignal>;
    warnings?: readonly string[];
    properties?: TrajectoryMetadata[];
    data_extractor?: TrajectoryDataExtractor;
}
export declare function trajectory_from_frames(frames: TrajectoryFrame[], extras?: MemoryRunExtras): TrajectoryRun;
export declare function trajectory_from_frame_source(frame_count: number, read: (frame_idx: number) => TrajectoryFrame, extras: Omit<MemoryRunExtras, `data_extractor`> & {
    properties: TrajectoryMetadata[];
}): TrajectoryRun;