/**
 * R6 Limited Support Warnings
 * Task 2.10: Centralized warning generation for R6 limited support
 *
 * R6 (FHIR 6.0.x-ballot) has partial support:
 * - ✅ Structure validation (JSON schema)
 * - ✅ Profile validation (limited, may have missing packages)
 * - ⚠️ Terminology validation (limited, ballot status)
 * - ⚠️ Reference validation (may have issues with new features)
 *
 * This module provides consistent warning messages across all validators.
 */
import type { ValidationIssue } from '../types';
type R6ValidationAspect = 'structural' | 'profile' | 'terminology' | 'reference' | 'metadata' | 'invariant' | 'custom_rule';
/**
 * R6 warning types
 */
export type R6WarningType = 'general' | 'terminology' | 'profile' | 'reference';
/**
 * Check if FHIR version is R6
 */
export declare function isR6(fhirVersion: string | undefined): boolean;
/**
 * Generate R6 limited support warning
 * Task 2.10: Create warning issue for R6 limitations
 *
 * @param aspect - Validation aspect
 * @param warningType - Type of R6 warning
 * @param additionalContext - Optional additional context
 * @returns ValidationIssue with R6 warning
 */
export declare function createR6Warning(aspect: R6ValidationAspect, warningType?: R6WarningType, additionalContext?: string): ValidationIssue;
/**
 * Check if R6 warning should be added for a validation aspect
 * Task 2.10: Determine if R6 warning is needed
 *
 * @param fhirVersion - FHIR version
 * @param aspect - Validation aspect
 * @returns true if R6 warning should be added
 */
export declare function shouldAddR6Warning(fhirVersion: string | undefined, aspect: R6ValidationAspect): boolean;
/**
 * Add R6 warning to issues if needed
 * Task 2.10: Helper to add R6 warning to validation results
 *
 * @param issues - Array of validation issues
 * @param fhirVersion - FHIR version
 * @param aspect - Validation aspect
 * @param warningType - Type of R6 warning
 * @returns Updated issues array with R6 warning if applicable
 */
export declare function addR6WarningIfNeeded(issues: ValidationIssue[], fhirVersion: string | undefined, aspect: R6ValidationAspect, warningType?: R6WarningType): ValidationIssue[];
/**
 * Get R6 support status summary
 * Task 2.10: Provide R6 support information
 *
 * @returns R6 support summary
 */
export declare function getR6SupportSummary(): {
    version: string;
    supportStatus: string;
    supportedAspects: string[];
    limitedAspects: string[];
    limitations: string[];
};
export {};
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