import type { MemoryStore } from '../types/memory/index.js';
import type { PrepareStep } from '../types/session/prepare-step.js';
export interface MemoryRecallOptions {
    /** The host must bind this store to the current project/tenant. */
    readonly store: MemoryStore;
    /** Maximum active records considered per request. Default 3. */
    readonly maxMemories?: number;
    /** Maximum added characters, including source labels and framing. Default 6,000. */
    readonly maxChars?: number;
    /** Deadline for the entire read-only recall pass. Default 1,000ms. */
    readonly timeoutMs?: number;
    /** Host baseline when the runtime supplies no latestUserMessage; precedes visible history. */
    readonly query?: string;
    /** Require an exact mixed letter/digit identifier match when the query has one. Default false. */
    readonly identifierGrounding?: boolean;
    /**
     * A recalled record last updated longer ago than this carries an `age`
     * ("12 days old") and the block carries the instruction to verify what an
     * aged memory names before relying on it. Default one day.
     */
    readonly ageNoticeAfterMs?: number;
    /** Clock for ages; defaults to `Date.now`. */
    readonly now?: () => number;
}
/**
 * Recall active project knowledge before each model call, without another model
 * request. The result is ephemeral step context: edits/archive/deletion take
 * effect on the next step and recalled text never becomes a new user statement.
 * A timeout/error reaches the runtime's prepareStep diagnostic, with no stale
 * recall cached for a later request. Other stages' guidance is preserved.
 */
export declare function createMemoryRecallStep(options: MemoryRecallOptions): PrepareStep;
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