/**
 * Runtime error types.
 *
 * Provides structured error types for validation failures,
 * integration errors, and execution errors.
 */
/**
 * Error codes for categorizing runtime errors.
 */
export declare const ErrorCode: {
    /** Input validation failed against the Zod schema */
    readonly INPUT_VALIDATION: "INPUT_VALIDATION";
    /** Output validation failed against the Zod schema */
    readonly OUTPUT_VALIDATION: "OUTPUT_VALIDATION";
    /** Integration not found or not configured */
    readonly INTEGRATION_NOT_FOUND: "INTEGRATION_NOT_FOUND";
    /** Integration operation failed */
    readonly INTEGRATION_ERROR: "INTEGRATION_ERROR";
    /** User code threw an error during execution */
    readonly EXECUTION_ERROR: "EXECUTION_ERROR";
    /** Internal SDK error */
    readonly INTERNAL_ERROR: "INTERNAL_ERROR";
};
export type ErrorCodeType = (typeof ErrorCode)[keyof typeof ErrorCode];
/**
 * Base class for SDK runtime errors.
 */
export declare class SdkError extends Error {
    readonly code: ErrorCodeType;
    readonly details?: unknown;
    constructor(code: ErrorCodeType, message: string, details?: unknown);
    /**
     * Converts the error to a plain object for serialization.
     */
    toJSON(): {
        code: ErrorCodeType;
        message: string;
        details?: unknown;
    };
}
/**
 * Error thrown when input validation fails.
 */
export declare class InputValidationError extends SdkError {
    constructor(message: string, details?: unknown);
}
/**
 * Error thrown when output validation fails.
 */
export declare class OutputValidationError extends SdkError {
    constructor(message: string, details?: unknown);
}
/**
 * Error thrown when a requested integration is not found.
 */
export declare class IntegrationNotFoundError extends SdkError {
    readonly integrationName: string;
    constructor(integrationName: string);
}
/**
 * Error thrown when an integration operation fails.
 */
export declare class IntegrationError extends SdkError {
    readonly integrationName: string;
    readonly operation: string;
    constructor(integrationName: string, operation: string, cause?: unknown);
}
/**
 * Error thrown when user code fails during execution.
 */
export declare class ExecutionError extends SdkError {
    constructor(message: string, cause?: unknown);
}
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