import type { PromptCacheStatus } from "@oh-my-pi/pi-tui/status-line/host";
import type { AgentSession } from "../../session/agent-session.js";
export declare const GALLERY_CONTEXT_WINDOW = 200000;
/** Prompt-cache samples, one per lifecycle the `cache` marker and its details distinguish. */
export declare const GALLERY_PROMPT_CACHE: {
    warm: PromptCacheStatus;
    refreshing: {
        state: "warm" | "cold";
        reason?: import("@oh-my-pi/pi-tui/status-line/host").PromptCacheColdReason;
        inferred: boolean;
        touchedAt: number;
        cachedTokens: number;
        nextTokens: number;
        tier: "long";
        ttlMs: number;
        warming: {
            state: "refreshing";
            stopsAt: number;
        };
    };
    likelyWarm: {
        state: "warm" | "cold";
        reason?: import("@oh-my-pi/pi-tui/status-line/host").PromptCacheColdReason;
        tier: "short" | "long";
        touchedAt: number;
        ttlMs?: number;
        cachedTokens: number;
        nextTokens: number;
        inferred: true;
        warming: undefined;
    };
    coldExpired: {
        inferred: boolean;
        tier: "short" | "long";
        ttlMs?: number;
        cachedTokens: number;
        nextTokens: number;
        state: "cold";
        reason: {
            kind: "expired";
            at: number;
        };
        touchedAt: number;
        warming: {
            state: "inactive";
            reason: string;
        };
    };
    coldModel: {
        inferred: boolean;
        tier: "short" | "long";
        touchedAt: number;
        ttlMs?: number;
        cachedTokens: number;
        nextTokens: number;
        state: "cold";
        reason: {
            kind: "model";
            from: string;
            to: string;
        };
        warming: undefined;
    };
};
export interface GallerySessionOptions {
    contextTokens?: number;
    fastMode?: boolean;
    advisorStatus?: "running" | "quota_exhausted" | "error" | "paused";
    advisorYielded?: boolean;
    usingSubscription?: boolean;
    cost?: number;
    premiumRequests?: number;
    advisorCost?: number;
    goalStatus?: "active" | "paused" | "complete" | "budget-limited" | "dropped";
    /** What `getPromptCacheStatus` reports; absent hides the `cache` marker. */
    promptCache?: PromptCacheStatus;
}
/** Deterministic session double for production composer/status renderers. */
export declare function createGallerySession(options?: GallerySessionOptions): AgentSession;