import { type ProviderName } from "./registry.js";
export interface ProviderCredentials {
    apiKey?: string;
    accessToken?: string;
    refreshToken?: string;
    expiresAt?: string;
    tokenType?: string;
}
export interface ProviderCredentialsFile {
    version: number;
    updatedAt: string;
    providers: Record<string, ProviderCredentials>;
}
export type ProviderAuthSource = "env" | "credentials" | "missing";
export declare function getCredentialsPath(): string;
export declare function readCredentialsFile(): ProviderCredentialsFile;
export declare function writeCredentialsFile(data: ProviderCredentialsFile): void;
export declare function getProviderCredentials(provider: ProviderName): ProviderCredentials | undefined;
export declare function setProviderCredentials(provider: ProviderName, credentials: ProviderCredentials): void;
export declare function deleteProviderCredentials(provider: ProviderName): boolean;
export declare function saveProviderToken(providerName: string, token: string): ProviderCredentials;
export declare function resolveProviderToken(providerName: string): {
    token?: string;
    source: ProviderAuthSource;
    envVar?: string;
};