import { RecordObject, ToolResult } from '../types.js';
/**
 * Format data as JSON tool result
 */
export declare function jsonResult(data: unknown): ToolResult;
/**
 * Format error as tool result
 */
export declare function errorResult(message: string): ToolResult;
/**
 * Build ODSQL WHERE clause from conditions
 */
export declare function buildWhere(conditions: Array<string | undefined | null | false>): string | undefined;
/**
 * Escape a string literal for ODSQL
 */
export declare function escapeOdSqlString(value: string): string;
/**
 * Quote an ODSQL string literal
 */
export declare function quote(value: string): string;
/**
 * Format date as YYYY-MM-DD
 */
export declare function formatDate(date: Date): string;
/**
 * Get today's date as YYYY-MM-DD
 */
export declare function today(): string;
/**
 * Calculate days between two dates
 */
export declare function daysBetween(date1: string, date2: string): number;
/**
 * Pick the first defined value from a record
 */
export declare function pickValue<T = unknown>(record: RecordObject, candidates: string[]): T | undefined;
/**
 * Pick the first string-like value from a record
 */
export declare function pickString(record: RecordObject, candidates: string[]): string | undefined;
/**
 * Pick the first numeric value from a record
 */
export declare function pickNumber(record: RecordObject, candidates: string[]): number | undefined;
/**
 * Pick the first boolean-like value from a record
 */
export declare function pickBoolean(record: RecordObject, candidates: string[]): boolean | undefined;
/**
 * Normalize a string for case-insensitive comparisons
 */
export declare function normalizeText(value: string): string;
//# sourceMappingURL=helpers.d.ts.map