import { CredentialResolver } from '../auth/credentials.js';
export type ComposioBackend = {
    id: string;
    mode: 'managed' | 'byok';
    label: string;
    credential_ref: string | null;
    credential_source: 'stored' | 'environment';
    verified_at: string | null;
    active: number;
    created_at: string;
};
export declare function listComposioBackends(): ComposioBackend[];
export declare function getComposioBackend(id?: string): ComposioBackend | undefined;
export declare function addComposioBackend(input: {
    id?: string;
    mode: 'managed' | 'byok';
    label: string;
    credentialRef?: string;
    credentialSource?: 'stored' | 'environment';
}): ComposioBackend;
export declare function activateComposioBackend(id: string): void;
export declare function removeComposioBackend(id: string, resolver?: CredentialResolver): Promise<void>;
/** Bootstrap once; subsequent routing always uses the explicitly selected backend. */
export declare function ensureComposioBackend(resolver?: CredentialResolver): Promise<ComposioBackend>;
export declare function resolveBackendKey(backend: ComposioBackend, resolver?: CredentialResolver): Promise<string | null>;
export declare function markComposioBackendVerified(id: string): void;