/**
 * writeFacts — persist extracted facts to the memory store.
 *
 * Reads from scope:  `newFacts`, `identity`
 * Writes to store:   MemoryEntry<Fact> per fact via `store.putMany`
 *
 * Ids are `fact:${key}` (set by `extractFacts` via `factId`). Because
 * `putMany` overwrites on id collision, a second turn writing the same
 * key REPLACES the prior entry. This is the contract for facts — they
 * dedup by key, unlike beats and messages which are append-only.
 */
import type { TypedScope } from 'footprintjs';
import type { MemoryStore } from '../store/index.js';
import type { FactPipelineState } from './extractFacts.js';
export interface WriteFactsConfig {
    /** The store to persist to. Typically the same store as the pipeline's read side. */
    readonly store: MemoryStore;
}
export declare function writeFacts(config: WriteFactsConfig): (scope: TypedScope<FactPipelineState>) => Promise<void>;
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