import { protos } from "@google-cloud/iap";
import { GcpAuthenticatedIdentity } from "./creds/identity.js";
type IapBrand = protos.google.cloud.iap.v1.IBrand;
export declare class GcpOAuthBrandClient {
    private projectId;
    private identity;
    private iapClient;
    private initialized;
    constructor(projectId: string, identity: GcpAuthenticatedIdentity);
    initialize(): Promise<void>;
    private formatProjectName;
    private formatBrandName;
    private findExistingBrand;
    private createBrand;
    createOrGetBrand(applicationTitle: string): Promise<string>;
    getBrandByName(name: string): Promise<IapBrand | null>;
}
export declare function gcpCheckOauthBrandName(options: {
    oauthBrandName: string;
}): Promise<{
    success: boolean;
    error?: string;
}>;
export {};