import type { ToolExecutionErrorSeverity } from "../../tools2/types.js";
/**
 * Classify an external API error and return appropriate severity.
 *
 * - WARN: External API 4xx errors, database schema errors - external issues or AI mistakes
 * - ERROR: Connection errors, auth errors, permission errors - actual problems
 */
export declare function classifyExternalErrorSeverity(errorMessage: string): ToolExecutionErrorSeverity;
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