import { type MemoryPreflightPrefsInput } from './memory-preflight-config.js';
import { type MemoryPreflightResult } from './memory-preflight-support.js';
export type { MemoryPreflightResult };
export declare class MemoryPreflightService {
    private readonly reader;
    private readonly config;
    /** path -> body; sub-agent-requested memo contents (Task 4 deviation, see module header). */
    private readonly cachedMemoContents;
    constructor(projectRoot: string, prefs: MemoryPreflightPrefsInput);
    cacheMemoContent(path: string, content: string): void;
    fetchBlock(taskTitle: string): Promise<MemoryPreflightResult>;
    private selectAndCompose;
}
/**
 * `fetchBlock`. The bare role ("rd") carries almost no relevance signal,
 * so the first line of the task brief is appended (truncated) to give the
 * fuzzy kernel something to rank against. Pure and fail-soft.
 */
export declare function deriveMemoryQuery(role: string, taskBody: string | undefined): string;