import type { EmailProviderName } from "./provider-webmail.js";
/**
 * Provider → logo data URL. Values are media-type-correct data URL strings
 * generated deterministically from the audited source images.
 *
 * Missing entries (Unknown/Webmail/Others/Disposable) fall through to the
 * domain-based map in [freeDomainProviderLogos] or return `null`.
 */
export declare const providerLogos: Partial<Record<EmailProviderName, string>>;
/**
 * Domain-based logo fallback — parallels `freeDomainProviderWebmailUrls`
 * and `freeDomainProviderWebsiteTitles` in ./free-providers-webmail-url.
 *
 * Covers the 10 privacy/secure/modern providers added from the cs.ts gap
 * analysis plus their alias domains. For all other free domains the
 * provider-level map already resolves the logo via `EmailProviders`
 * domain-suffix matching, so no wider coverage is needed.
 */
export declare const freeDomainProviderLogos: Record<string, string>;
/**
 * Resolve a logo for the given provider. Mirrors `getProviderWebmailUrl`:
 * provider-level lookup first, then domain-based fallback, then `null`.
 */
export declare function getProviderLogo(provider: EmailProviderName, domainOrEmail?: string): string | null;