export interface FirebaseAdminConfig {
    serviceAccountKey?: string;
    projectId?: string;
}
export interface FirebaseClientConfig {
    apiKey?: string;
    authDomain?: string;
    projectId?: string;
    storageBucket?: string;
    messagingSenderId?: string;
    appId?: string;
    measurementId?: string;
}
export interface AuthConfig {
    ownerEmails: string[];
}
export interface AgentbaseConfig {
    firebaseAdmin: FirebaseAdminConfig;
    firebaseClient: FirebaseClientConfig;
    auth: AuthConfig;
}
/**
 * Load config from environment variables (or a passed env object).
 */
export declare function loadConfig(env?: Record<string, string | undefined>): AgentbaseConfig;
/**
 * Validate that required config fields are present.
 * Throws ValidationError listing all missing fields.
 */
export declare function validateConfig(config: AgentbaseConfig, options?: {
    requireFirebaseAdmin?: boolean;
    requireFirebaseClient?: boolean;
}): void;
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