import type { FunnelStepId } from '../runtime/funnel-runtime.js';
export type FunnelAnswerKey = string;
export type FunnelBinaryChoice = 'yes' | 'no';
export type FunnelBirthDate = {
    year: number;
    month: number;
    day: number;
};
export type FunnelTempUpload = {
    key: string;
    publicUrl: string;
    contentType: string;
    sizeBytes: number;
    uploadedAt: string;
};
/**
 * Typed SDK-facing answers object shared across all steps.
 * Keep this shape in sync with docs/references/funnel-sdk-user-answers.md so future funnels can extend it safely.
 */
export type FunnelUserAnswers = Record<string, unknown> & {
    /** Generic branching answers by step id for yes/no splits. */
    stepChoices?: Partial<Record<FunnelStepId, FunnelBinaryChoice>>;
    /** Core onboarding answers used by template steps. */
    selectedDevices?: Array<'iphone' | 'laptop' | 'watch' | 'none'>;
    /** Upsell answers. */
    upsellAccepted?: boolean;
    upsellEmail?: string;
    upsellSelectedPlanId?: string;
    selectedPaywallPlanId?: string;
    /** Manage subscription answers. */
    manageSubscriptionHasActive?: boolean;
    manageSubscriptionReason?: string;
    manageSubscriptionCancelled?: boolean;
    manageSubscriptionCancelledId?: string;
    /** Optional location and astro metadata shared by astrology-style funnels. */
    birthDate?: FunnelBirthDate;
    birthCity?: string;
    sunSign?: string;
    moonSign?: string;
    ascendantSign?: string;
    /** Optional media metadata for steps that capture and upload user images. */
    palmPhotoUpload?: FunnelTempUpload;
    palmPhotoUrl?: string;
};
export declare const readStepChoice: (answers: FunnelUserAnswers, stepId: FunnelStepId) => FunnelBinaryChoice | undefined;
export declare const writeStepChoice: (answers: FunnelUserAnswers, stepId: FunnelStepId, choice: FunnelBinaryChoice) => FunnelUserAnswers;