/**
 * Option Validation for Delphi MCP
 *
 * Validates configuration options before starting a Delphi query
 * to catch invalid values and conflicting options early.
 */
import { DelphiOptions } from './types.js';
export interface ValidationResult {
    valid: boolean;
    errors: string[];
    warnings: string[];
}
/**
 * Validates Delphi options and returns errors/warnings.
 * Checks value ranges, enum validity, and cross-option constraints.
 */
export declare function validateDelphiOptions(options: DelphiOptions): ValidationResult;
/**
 * Custom error for validation failures.
 * Contains both errors (fatal) and warnings (informational).
 */
export declare class DelphiValidationError extends Error {
    readonly errors: string[];
    readonly warnings: string[];
    constructor(errors: string[], warnings?: string[]);
}
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