import { type TrajectoryMergeFileSystem } from './trajectory-merge.js';
interface Writable {
    write(value: string): unknown;
}
export interface TrajectoryMergeCliIo {
    stdout: Writable;
    stderr: Writable;
}
export declare function getTrajectoryMergeHelp(): string;
export declare function runTrajectoryMergeCli(args: string[], io?: TrajectoryMergeCliIo, fileSystem?: TrajectoryMergeFileSystem): number;
export {};