export interface GrowthFunnelOptions {
    codexHome?: string;
    from?: string;
    to?: string;
    windowDays?: number;
    now?: Date;
}
export interface GrowthFunnelStep {
    step_id: "install" | "start" | "first_command" | "week1_retention";
    users: number;
    conversion_from_previous: number | null;
    conversion_from_install: number | null;
    notes?: string;
}
export interface GrowthFunnelReport {
    generated_at: string;
    window: {
        from: string;
        to: string;
        days: number;
    };
    events: {
        total: number;
        by_name: Record<string, number>;
    };
    actors: {
        install: number;
        start: number;
        first_command: number;
        week1_retained: number;
        week1_eligible_starts: number;
    };
    steps: GrowthFunnelStep[];
}
export type GrowthExperimentStatus = "planned" | "running" | "completed" | "won" | "lost";
export interface GrowthExperiment {
    id: string;
    title: string;
    status: GrowthExperimentStatus;
    hypothesis: string;
    primary_metric: string;
    start_date: string;
    end_date?: string;
    result_summary?: string;
}
export interface GrowthExperimentReport {
    source_path: string;
    total: number;
    running: number;
    completed: number;
    winners: number;
    experiments: GrowthExperiment[];
}
export type GrowthGateStatus = "pass" | "warn" | "fail";
export interface GrowthGateCheck {
    id: string;
    title: string;
    status: GrowthGateStatus;
    details: string[];
}
export interface GrowthGateOptions {
    projectRoot?: string;
    experimentsFile?: string;
    minExperiments?: number;
    strict?: boolean;
}
export interface GrowthGateReport {
    ok: boolean;
    strict: boolean;
    score: number;
    checks: GrowthGateCheck[];
    experiments: {
        source_path: string;
        total: number;
        running: number;
        completed: number;
        winners: number;
        active_cycle: number;
    };
}
export declare function buildGrowthFunnelReport(options?: GrowthFunnelOptions): Promise<GrowthFunnelReport>;
export declare function loadGrowthExperiments(projectRoot?: string, filePath?: string): Promise<GrowthExperimentReport>;
export declare function evaluateGrowthGate(options?: GrowthGateOptions): Promise<GrowthGateReport>;
export declare function renderGrowthDashboardMarkdown(funnel: GrowthFunnelReport, experiments: GrowthExperimentReport): string;