/**
 * Shared utilities for tool handlers.
 *
 * @module utils
 */
/**
 * Format a successful tool result as MCP text content.
 */
export declare function ok(data: unknown): {
    content: Array<{
        type: "text";
        text: string;
    }>;
};
/**
 * Format an error tool result as MCP text content.
 */
export declare function err(message: string): {
    content: Array<{
        type: "text";
        text: string;
    }>;
    isError: true;
};
/**
 * Safely format a ServiceNow error for display.
 */
export declare function formatError(error: unknown): string;
/**
 * Build a query parameter map for table API requests.
 */
export declare function buildTableParams(opts: {
    query?: string;
    fields?: string;
    limit?: number;
    offset?: number;
    orderby?: string;
    displayValue?: string;
}): Record<string, string>;
/**
 * Truncate a string if it exceeds maxLen, appending "...".
 */
export declare function truncate(str: string, maxLen: number): string;
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