import type { BrowserDriver, DriverNeed } from "./driver.js";
export interface QaStep {
    action: "goto" | "click" | "fill" | "assert" | "screenshot" | "wait";
    /** goto */ url?: string;
    /** click/fill/assert */ selector?: string;
    /** fill */ value?: string;
    /** assert: a JS expression evaluated in the page; must be truthy (or === expect). */
    expr?: string;
    expect?: unknown;
    /** screenshot */ path?: string;
    /** wait */ ms?: number;
}
export interface QaPlan {
    name: string;
    /** prepended to a step's `url` when it's a path, not absolute. */
    baseUrl?: string;
    steps: QaStep[];
}
export interface StepResult {
    i: number;
    action: string;
    ok: boolean;
    detail?: string;
}
export interface ReplayResult {
    plan: string;
    driver: string;
    ok: boolean;
    ms: number;
    steps: StepResult[];
    /** the step that failed, if any. */
    failedAt?: number;
}
/** The capabilities a plan requires — only click+fill actions here, so "basic"
 *  suffices (rustwright fits); screenshots/evaluate are in both engines. */
export declare function planNeed(_plan: QaPlan): DriverNeed;
/** Replay a plan on a driver. Stops at the first failed step (like a real test),
 *  returns a per-step trace + total wall-time. */
export declare function replayPlan(driver: BrowserDriver, plan: QaPlan): Promise<ReplayResult>;
/** Replay a plan on the PROVEN-DEFAULT engine for QA replay: rustwright when it
 *  fits + is installed (the ~65%-lighter footprint that matters for a fleet),
 *  else Playwright (failover). Override with env SLOWCOOK_BROWSER. */
export declare function replayPlanAuto(plan: QaPlan, env?: NodeJS.ProcessEnv): Promise<ReplayResult & {
    engine: string;
    failover: boolean;
}>;
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