import { z } from 'zod';
import { type ConfigOf, type RedactedConfig } from '../../resource/secrets.ts';
export type GoogleAccessTokenProvider = () => string | Promise<string>;
export type GoogleRefreshFn = (refreshToken: string) => Promise<{
    accessToken: string;
    expiresIn: number;
}>;
export declare const GOOGLE_CREDENTIAL_ERROR = "GoogleConfig needs either accessToken (a token or a provider callable) or both clientId and refreshToken";
export declare const GoogleConfigSchema: z.ZodObject<{
    accessToken: z.ZodOptional<z.ZodUnion<readonly [z.ZodString, z.ZodCustom<GoogleAccessTokenProvider, GoogleAccessTokenProvider>]>>;
    clientId: z.ZodOptional<z.ZodString>;
    clientSecret: z.ZodOptional<z.ZodString>;
    refreshToken: z.ZodOptional<z.ZodString>;
    refreshFn: z.ZodOptional<z.ZodCustom<GoogleRefreshFn, GoogleRefreshFn>>;
    apiBase: z.ZodOptional<z.ZodString>;
    folderId: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
export type GoogleConfig = ConfigOf<typeof GoogleConfigSchema>;
export type GoogleConfigRedacted = RedactedConfig<GoogleConfig, 'accessToken' | 'clientSecret' | 'refreshToken' | 'refreshFn'>;
export declare function redactGoogleConfig(config: GoogleConfig): GoogleConfigRedacted;
export declare function normalizeGoogleConfig(input: Record<string, unknown>): GoogleConfig;
//# sourceMappingURL=config.d.ts.map