/** SDK-owned platform module. This implementation is maintained in goodvibes-sdk. */
/**
 * SessionMemoryStore manages pinned in-memory notes for the current session.
 *
 * - Session-scoped: all memories are lost when the process exits.
 * - In-memory only: no persistence, no token cap enforced here.
 * - IDs are monotonically incrementing (mem-1, mem-2, ...) and persist through
 *   clear() calls to ensure uniqueness across the lifetime of the store.
 */
export interface SessionMemory {
    id: string;
    text: string;
    createdAt: number;
}
export declare class SessionMemoryStore {
    private memories;
    private counter;
    /** Add a memory, returns the assigned ID. Returns empty string if text is blank. */
    add(text: string): string;
    /** Remove a memory by ID, returns true if found */
    remove(id: string): boolean;
    /** List all memories */
    list(): readonly SessionMemory[];
    /** Format memories for compaction output. Returns null if no memories. */
    format(): string | null;
    /** Get total estimated tokens across all memories (rough: chars / 4) */
    estimateTokens(): number;
    /** Clear all memories. NOTE: counter is intentionally NOT reset, IDs must remain unique
     *  across the lifetime of the store even after a clear(). */
    clear(): void;
}
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