import type { P1Client, RolePermissions } from '@pantheon-systems/css-client';
export interface MainBranchPermissionsResult {
    permissions: RolePermissions | null;
    /** True once the role fetch has failed; distinguishes "errored" from "still checking". */
    error: boolean;
}
/**
 * Going live is asserted against the main branch, while the editor's
 * `permissions` are for the current one; this resolves the main-side role.
 */
export declare function useMainBranchPermissions(client: P1Client, siteId: string, mainBranchId: string | null): MainBranchPermissionsResult;