/**
 * Enumeration of all possible error codes that can be thrown by the SDK.
 * These codes help identify the type and source of errors for better error handling.
 */
export declare enum ErrorCode {
    TIMEOUT = "TIMEOUT",
    CONNECTION_ERROR = "CONNECTION_ERROR",
    HANDSHAKE_FAILED = "HANDSHAKE_FAILED",
    INVALID_ORIGIN = "INVALID_ORIGIN",
    UNKNOWN_ERROR = "UNKNOWN_ERROR",
    INVALID_REQUEST = "INVALID_REQUEST",
    METHOD_NOT_FOUND = "METHOD_NOT_FOUND",
    EXECUTION_ERROR = "EXECUTION_ERROR",
    SUBSCRIPTION_ERROR = "SUBSCRIPTION_ERROR",
    INVALID_STATE = "INVALID_STATE",
    NOT_INITIALIZED = "NOT_INITIALIZED",
    ALREADY_INITIALIZED = "ALREADY_INITIALIZED",
    NOT_CONNECTED = "NOT_CONNECTED",
    INITIALIZATION_ERROR = "INITIALIZATION_ERROR",
    HOST_NOT_READY = "HOST_NOT_READY",
    TOKEN_ERROR = "TOKEN_ERROR",
    CLIENT_NOT_READY = "CLIENT_NOT_READY",
    IFRAME_ERROR = "IFRAME_ERROR"
}
/**
 * Interface for SDK errors that includes an error code and optional details.
 * All errors thrown by the SDK will implement this interface.
 */
export interface SDKError extends Error {
    code: ErrorCode;
    details?: unknown;
}
/**
 * Core error class that implements the SDKError interface.
 * Provides static factory methods for creating common error types.
 *
 * @example
 * ```typescript
 * // Creating a timeout error
 * throw CoreError.timeout();
 *
 * // Creating a method not found error
 * throw CoreError.methodNotFound('getUserInfo');
 * ```
 */
export declare class CoreError extends Error implements SDKError {
    code: ErrorCode;
    details?: unknown | undefined;
    constructor(code: ErrorCode, message: string, details?: unknown | undefined);
    /**
     * Creates a timeout error.
     * @param details - Optional details about the timeout
     */
    static timeout(details?: unknown): CoreError;
    /**
     * Creates a handshake failed error.
     * @param details - Optional details about the failure
     */
    static handshakeFailed(details?: unknown): CoreError;
    /**
     * Creates an invalid origin error.
     * @param origin - The invalid origin that was detected
     */
    static invalidOrigin(origin: string): CoreError;
    /**
     * Creates a not initialized error.
     */
    static notInitialized(): CoreError;
    /**
     * Creates an already initialized error.
     */
    static alreadyInitialized(): CoreError;
    /**
     * Creates a method not found error.
     * @param method - The name of the method that wasn't found
     */
    static methodNotFound(method: string): CoreError;
    /**
     * Creates an execution error.
     * @param error - The underlying error that caused the execution failure
     */
    static executionError(error: unknown): CoreError;
}
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