import type { SSRInitRequestContext } from '../store/type';
import type { Overrides } from '../types';
export declare function buildRequestContextHeaders(overrides?: Pick<Overrides, 'country' | 'region' | 'language'>): Record<string, string>;
export declare function canonicalizeBrowserBackendURL(backendURL: string): string | undefined;
export interface RuntimeRequestContextMatcher {
    backendURL: string;
    country?: string;
    region?: string;
    language?: string;
    gpc: boolean;
    credentials: RequestCredentials;
}
export declare function createBrowserRequestContext(options: {
    backendURL: string;
    overrides?: Pick<Overrides, 'country' | 'region' | 'language'>;
    credentials?: RequestCredentials;
    gpc?: boolean;
}): SSRInitRequestContext | undefined;
export declare function createRuntimeRequestContextMatcher(options: {
    backendURL: string;
    overrides?: Overrides;
    credentials?: RequestCredentials;
}): RuntimeRequestContextMatcher | undefined;
export declare function matchesStoredRequestContext(stored: SSRInitRequestContext, matcher: RuntimeRequestContextMatcher): boolean;