/**
 * Synthesis Validator
 *
 * Validates LLM synthesis output against multiple sources of truth:
 * 1. Cross-source consensus - Do multiple sources agree?
 * 2. Regex vs LLM comparison - Does LLM match regex extraction?
 * 3. Temporal validation - Are dates reasonable?
 * 4. Numerical sanity checks - Are numbers in expected ranges?
 *
 * Returns validation results with adjusted confidence and flags.
 */
export interface ValidationIssue {
    field: string;
    type: 'consensus_mismatch' | 'regex_llm_conflict' | 'temporal_invalid' | 'numerical_outlier' | 'future_date';
    severity: 'warning' | 'error';
    message: string;
    llmValue: unknown;
    alternativeValue?: unknown;
    sources?: string[];
}
export interface ValidationResult {
    isValid: boolean;
    adjustedConfidence: number;
    issues: ValidationIssue[];
    /** Recommended data after validation (may differ from LLM output) */
    validatedData: Record<string, unknown>;
    /** Fields that should be treated as low confidence */
    lowConfidenceFields: string[];
}
export interface SourceExtraction {
    url: string;
    domain: string;
    authorityScore: number;
    extractedData?: Record<string, unknown>;
}
export interface ValidationContext {
    /** Original research scope/query */
    scope: string;
    /** Schema being extracted */
    schema: Record<string, unknown>;
    /** LLM synthesis output */
    llmData: Record<string, unknown>;
    /** LLM confidence score */
    llmConfidence: number;
    /** Regex-extracted data (before LLM) */
    regexData?: Record<string, unknown>;
    /** Per-source extractions for consensus checking */
    sourceExtractions: SourceExtraction[];
    /** Current date for temporal validation */
    currentDate?: Date;
}
/**
 * Validate LLM synthesis output
 */
export declare function validateSynthesis(context: ValidationContext): ValidationResult;
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