import type { Observation, SourceConfig, SourceState } from "../types.js";
export declare const digest: (text: string) => string;
export declare function sanitize(text: string): string;
export declare function fingerprint(tool: string, summary: string): string;
export declare function spool(root: string, observation: Observation): Promise<void>;
export declare function ingest(root: string, state: SourceState): Promise<void>;
export declare function selectEvidence(state: SourceState, config: SourceConfig): Observation[] | undefined;