import type { MemoryFact, MemoryKind, MemoryScope, MemoryTier } from "../types.js";
export declare const MEMORY_MAX_CONTENT_LENGTH = 500;
export declare const MEMORY_NOTE_PREFIX = "[note] ";
export declare const MEMORY_EPISODE_PREFIX = "[episode] ";
export declare const PROFILE_FILENAME = "profile.md";
export declare const LOG_DIRNAME = "log";
export declare const PROFILE_HEADER: string;
export declare const LOG_HEADER: string;
/** Host FACT_LINE. */
export declare const FACT_LINE: RegExp;
export declare function clampLine(raw: string, maxLength: number): string;
export declare function normalizeMemoryContent(raw: string): string;
export declare function memoryDedupeKey(content: string): string;
export declare function memoryIdFor(content: string): string;
export declare function formatMemoryDate(createdAtMs: number): string;
export declare function serializeFactLine(content: string, createdAt: number): string;
export declare function parseFacts(raw: string, kind: MemoryKind, base: number, path: string): MemoryFact[];
export declare function memoryDirFor(agentId: string, scope: MemoryScope, sandRoot?: string): string;
export declare function listMemoryFacts(agentId: string, options?: {
    scope?: MemoryScope;
    sandRoot?: string;
}): MemoryFact[];
export type WriteMemoryInput = {
    agentId: string;
    content: string;
    tier?: MemoryTier;
    scope?: MemoryScope;
    createdAt?: number;
    sandRoot?: string;
};
/**
 * Disk fallback for host `rememberFact` → `FileMemoryStore.addMemory`.
 * Prefer gateway / update_state when the host is up.
 *
 * Appends one fact line (rewrite the whole file with previous + new line).
 * Notes get MEMORY_NOTE_PREFIX before normalize. Dedupes on normalize +
 * toLowerCase. Returns null if empty or already present.
 */
export declare function writeMemoryFact(input: WriteMemoryInput): MemoryFact | null;
export type ForgetMemoryInput = {
    agentId: string;
    content: string;
    scope?: MemoryScope;
    sandRoot?: string;
};
/**
 * Disk fallback for host `forgetFact` → `removeMemoryByContent`.
 * Prefer gateway / update_state when the host is up.
 *
 * Forget by exact recorded text (after host normalize), including any
 * `[note] ` / `[episode] ` prefix. Matches host
 * removeMemoryByContent → memoryIdFor(normalized).
 */
export declare function forgetMemoryFact(input: ForgetMemoryInput): boolean;
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