export interface CredentialState {
    /** `misconfigured` is the ladder's refusal carried as data; `error` says why. */
    mode: "hosted" | "local" | "misconfigured";
    apiUrl: string | null;
    apiUrlSource: string | null;
    apiKeySource: string | null;
    apiKeyTier: string | null;
    credentialsFile: string | null;
    credentialsFileMode: string | null;
    error: string | null;
}
export declare function describeCredentialState(): CredentialState;