/**
 * Enum representing the available Salesforce connection types
 */
export declare enum ConnectionType {
    /**
     * Standard username/password authentication with security token
     * Requires SALESFORCE_USERNAME, SALESFORCE_PASSWORD, and optionally SALESFORCE_TOKEN
     */
    User_Password = "User_Password",
    /**
     * OAuth 2.0 Client Credentials Flow using client ID and secret
     * Requires SALESFORCE_CLIENT_ID and SALESFORCE_CLIENT_SECRET
     */
    OAuth_2_0_Client_Credentials = "OAuth_2.0_Client_Credentials",
    /**
     * OAuth 2.0 Authorization Code Flow for personal authentication
     * Requires authorization code exchange and supports refresh tokens
     */
    OAuth_2_0_Authorization_Code = "OAuth_2.0_Authorization_Code",
    /**
     * Personal OAuth for user-specific authentication
     */
    OAuth_2_0_Personal = "OAuth_2.0_Personal"
}
/**
 * Token data structure for OAuth flows
 */
export interface TokenData {
    /** Access token for API calls */
    accessToken: string;
    /** Refresh token for obtaining new access tokens */
    refreshToken?: string;
    /** Salesforce instance URL */
    instanceUrl: string;
    /** Token expiration timestamp */
    expiresAt?: Date;
    /** OAuth scope granted */
    scope?: string;
    /** Token type (usually 'Bearer') */
    tokenType?: string;
    /** User identifier for token association */
    userId?: string;
}
/**
 * Personal OAuth configuration
 */
export interface PersonalOAuthConfig {
    /** OAuth client ID */
    clientId: string;
    /** OAuth client secret */
    clientSecret: string;
    /** Redirect URI for authorization flow */
    redirectUri: string;
    /** Authorization code from callback */
    authorizationCode?: string;
    /** Stored token data */
    tokenData?: TokenData;
}
/**
 * Configuration options for Salesforce connection
 */
export interface ConnectionConfig {
    /**
     * The type of connection to use
     * @default ConnectionType.User_Password
     */
    type?: ConnectionType;
    /**
     * The login URL for Salesforce instance
     * @default 'https://login.salesforce.com'
     */
    loginUrl?: string;
    /**
     * Pre-existing token data for OAuth flows
     */
    tokenData?: TokenData;
    /**
     * Enable automatic token refresh
     * @default true
     */
    autoRefresh?: boolean;
    /**
     * Callback for token refresh events
     */
    onTokenRefresh?: (tokenData: TokenData) => void;
    /**
     * Personal OAuth configuration
     */
    personalOAuth?: PersonalOAuthConfig;
    /**
     * User identifier for connection association
     */
    userId?: string;
}