import type { FiatStepResponse, SubmitTransition, Surface, SurfaceResult } from '@funkit/connect-core';
import type { StripeAuthorizeResult, StripeOnrampError } from './stripeOnramp';
export interface StripeSessionAuthStart {
    transition: SubmitTransition;
    verifiedEmail: string;
}
/**
 * Reads the frozen Stripe auth-start seam from a generic `SESSION_AUTH` step.
 * The backend owns the email and transition; the client only runs its local
 * Link-account prerequisite before firing them.
 */
export declare function stripeSessionAuthStart(step: FiatStepResponse | undefined, ctas: readonly SubmitTransition[]): StripeSessionAuthStart | undefined;
export type StripeAuthSurface = {
    action: 'AUTHORIZE';
    linkAuthIntentId: string;
} | {
    action: 'AUTHENTICATE_WITH_TOKEN';
    linkAuthTokenClientSecret: string;
};
/** Narrows the two Stripe native authentication surfaces at the adapter boundary. */
export declare function stripeAuthSurface(surface: Surface): StripeAuthSurface | undefined;
/**
 * Flat, like `stripeAuthorizationReport` beside it and for the same reason: this
 * surface answers a SUBMIT, and `injectExpects` fills nothing for a transition
 * that is not a `CLIENT_SURFACE`. Nested under `result` the outcome was dropped
 * during body assembly, so the buyer's consent never left the device.
 */
export declare const stripeSeamlessAuthReport: (authenticated: boolean) => SurfaceResult;
/**
 * Maps Stripe's SDK union onto the frozen wire outcomes, one key per declared
 * input. Flat rather than nested under `result`: the transition carrying this
 * is a SUBMIT, so body assembly takes each value by the input name the
 * envelope declares, and `customerId` stays conditional by being absent on
 * anything but consent rather than by being undefined inside a wrapper.
 */
export declare function stripeAuthorizationReport(result: StripeAuthorizeResult): SurfaceResult | undefined;
/**
 * Takes the error optionally. The SDK's result is declared as a union whose
 * failure member always carries one, but an undeclared shape does reach here at
 * runtime, and reading `.code` off it threw rather than reporting no outcome.
 */
export declare function isStripeCancellation(error?: StripeOnrampError): boolean;
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