export type ConnectionType = 'mysql' | 'postgresql' | 'bigquery' | 'snowflake' | 'shopify' | 'csv' | 'custom' | 'sqlserver' | 'redshift' | 'databricks' | 'clickhouse' | 'mongodb';
export interface Connection {
    name: string;
    type: ConnectionType;
    host?: string;
    port?: number;
    database?: string;
    user?: string;
    password?: string;
    projectId?: string;
    keyFile?: string;
    account?: string;
    warehouse?: string;
    store?: string;
    apiKey?: string;
    apiSecret?: string;
    filePath?: string;
    connectionString?: string;
    createdAt: string;
    updatedAt: string;
}
export interface ConnectionsConfig {
    version: string;
    connections: Connection[];
}
export declare function encrypt(text: string): string;
export declare function decrypt(encryptedText: string): string;
export declare function loadConnections(): ConnectionsConfig;
export declare function saveConnections(config: ConnectionsConfig): void;
export declare function writeToEnvFile(connection: Connection): void;
export declare function saveConnection(connection: Connection): void;
export declare function getConnection(name: string): Connection | null;
export declare function deleteConnection(name: string): boolean;
export declare function listConnections(): Array<{
    name: string;
    type: ConnectionType;
    host?: string;
    createdAt: string;
}>;