export interface CredentialSummary {
    id: string;
    kind: 'oauth' | 'apikey';
    provider: string;
    alias: string;
    tokenFile: string;
    displayName: string;
    expiresAt: number | null;
    expiresInSec: number | null;
    status: string;
    hasRefreshToken: boolean;
    hasAccessToken: boolean;
    hasApiKey: boolean;
    noRefresh: boolean;
    secretRef?: string;
}
export declare const SUPPORTED_OAUTH_PROVIDERS: Set<string>;
export declare function buildCredentialSummaries(): Promise<CredentialSummary[]>;
export declare function allocateApiKeyFileName(provider: string, alias: string): Promise<string>;