/**
 * Internal logout utilities shared between Auth class and standalone functions.
 * NOT exported from package index - only used internally.
 */
/**
 * Internal config for building logout URLs.
 * Includes crossSdkBridgeEnabled for Auth class (Passport SDK).
 * NOT exported publicly from the package.
 */
export interface InternalLogoutConfig {
    /** The client ID for the application */
    clientId: string;
    /** The authentication domain (defaults to https://auth.immutable.com) */
    authenticationDomain?: string;
    /** The URI to redirect to after logout */
    logoutRedirectUri?: string;
    /** Whether cross-SDK bridge is enabled (internal to Auth class) */
    crossSdkBridgeEnabled?: boolean;
}
/**
 * Build logout URL for federated logout.
 * Used by both Auth class (with crossSdkBridgeEnabled) and standalone functions.
 *
 * @param config - Configuration for building the logout URL
 * @returns The complete logout URL string
 */
export declare function buildLogoutUrl(config: InternalLogoutConfig): string;