/**
 * Tenant — multi-tenant context propagation.
 *
 * Kontrakt dla aplikacji SaaS serving wielu klientów z jednej instancji.
 * Tenant kontekst wpływa na:
 *  - feature flags (FeatureFlagContext.tenantId),
 *  - branding / theming (logo, paleta kolorów),
 *  - endpoint mapping (per-tenant API bases),
 *  - datasource overrides,
 *  - widgetów/adapters pluggable per tenant.
 */
import type { Observable } from 'rxjs';
export interface TenantBranding {
    readonly displayName?: string;
    readonly logoUrl?: string;
    readonly primaryColor?: string;
    readonly accentColor?: string;
    /** Nadpisania CSS custom-properties (kolory, tła, pillsy). */
    readonly cssVariables?: Readonly<Record<string, string>>;
}
export interface TenantContext {
    readonly tenantId: string;
    readonly displayName?: string;
    readonly branding?: TenantBranding;
    readonly endpoints?: Readonly<Record<string, string>>;
    /** Domyślny locale dla tenanta — fallback gdy user nie ma własnego. */
    readonly defaultLocale?: string;
    /** Feature flags override — zmapowane na `FeatureFlagDefinition` partial. */
    readonly featureFlagOverrides?: Readonly<Record<string, {
        readonly enabled?: boolean;
        readonly rollout?: number;
    }>>;
    /** Opcjonalny klucz trasowania (np. region: 'eu-west-1'). */
    readonly region?: string;
    /** Dowolne meta (pochodzenie, industry, role-gates). */
    readonly meta?: Readonly<Record<string, string | number | boolean>>;
}
export interface TenantContextService {
    readonly context$: Observable<TenantContext | null>;
    current(): TenantContext | null;
    setContext(context: TenantContext | null): void;
}
export declare const TENANT_CONTEXT: import("../index.js").EchelonToken<TenantContextService>;
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