import type { SourceGraphDTO } from './semantic.js';
/**
 * Every file whose change can alter what `file` means: the file itself plus
 * everything it imports, transitively.
 */
export declare function affectingFiles(file: string, graph?: SourceGraphDTO): Set<string>;
/**
 * Whether any changed file is one the given files depend on.
 *
 * `dependencies` is the already-expanded closure — a view's `sourceFiles`, or
 * the result of `affectingFiles` for a single file. An empty closure never
 * matches: a surface that cannot state what it depends on should not claim
 * every change as its own.
 */
export declare function changeAffects(changedFiles: readonly string[], dependencies: Iterable<string>): boolean;
/**
 * The subset of `changedFiles` the dependency closure actually covers, for
 * telling the user which file moved rather than only that something did.
 */
export declare function affectedBy(changedFiles: readonly string[], dependencies: Iterable<string>): string[];
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