export interface WorkspaceFileSignature {
    size: number;
    modifiedMs: number;
}
export type WorkspaceSnapshot = Map<string, WorkspaceFileSignature>;
export declare function captureWorkspaceSnapshot(root: string, maxFiles?: number): Promise<WorkspaceSnapshot>;
export declare function changedFilesBetweenSnapshots(before: ReadonlyMap<string, WorkspaceFileSignature>, after: ReadonlyMap<string, WorkspaceFileSignature>): string[];
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