import type { UnitSource } from "../../core/ports/analysis-unit.port.js";
import type { IFileReader, IFileWalker, WalkOptions } from "../../core/ports/filesystem.port.js";
export type SourceSetRequest = {
    readonly walker: IFileWalker;
    readonly reader: IFileReader;
    readonly selection: WalkOptions;
};
/**
 * The one place source content is read. Both halves of a build go through it —
 * extraction with the document's selection, detection with the analysis unit's
 * — and both receive a path-to-text map holding no absolute path, so neither
 * can depend on where the checkout sits.
 */
export declare function readSourceSet(request: SourceSetRequest): Promise<readonly UnitSource[]>;