export interface TokenStoreSnapshot {
    key?: string;
    persist?: string;
    hasCustomStorage?: boolean;
}
export interface HttpSnapshot {
    baseUrl?: string;
    fetchCredentials?: RequestCredentials;
}
export interface GlobalSnapshots {
    tokenStore?: TokenStoreSnapshot;
    version?: string;
}
export interface GlobalState {
    tokenStore?: any;
    snapshots?: GlobalSnapshots;
}
export declare function getGlobalState(): GlobalState;
export declare function assertBrowserEnv(context: string): void;
export declare function assertNoConflicts(context: string, existing: Record<string, any> | undefined, incoming: Record<string, any>, fields: string[]): void;