/**
 * Automatic Contradiction Detection for Research Tool
 *
 * Surfaces disagreements between sources and policy change indicators
 * WITHOUT requiring the caller to know what contradictions to look for.
 *
 * Two detection mechanisms:
 * 1. Content-Level Detection: Scan excerpts for linguistic markers
 * 2. Value-Level Detection: Compare extracted values across sources
 */
export type ContradictionSeverity = 'critical' | 'major' | 'minor' | 'info';
export type ContradictionCategory = 'value_mismatch' | 'policy_change' | 'denial_indicator';
export interface ContradictionAlert {
    id: string;
    category: ContradictionCategory;
    severity: ContradictionSeverity;
    title: string;
    description: string;
    field?: string;
    conflictingValues?: Array<{
        value: unknown;
        source: string;
        sourceType: string;
        authorityScore: number;
    }>;
    evidence: Array<{
        source: string;
        excerpt: string;
        matchedPattern?: string;
    }>;
    suggestedAction: string;
}
export interface ContradictionSummary {
    total: number;
    bySeverity: Record<ContradictionSeverity, number>;
    hasCritical: boolean;
    summary: string;
}
export interface ContradictionResult {
    alerts: ContradictionAlert[];
    summary: ContradictionSummary;
}
/**
 * Source data structure expected from research handler
 */
export interface SourceForDetection {
    url: string;
    sourceType: string;
    authorityScore: number;
    excerpt?: string;
    extractedData?: Record<string, unknown>;
    error?: string;
}
/**
 * Detect content-level contradictions by scanning excerpts for policy change markers
 */
export declare function detectContentContradictions(sources: SourceForDetection[], _scope: string): ContradictionAlert[];
/**
 * Detect value-level contradictions by comparing extracted values across sources
 */
export declare function detectValueContradictions(sources: SourceForDetection[], _scope: string): ContradictionAlert[];
/**
 * Main entry point: detect all contradictions in sources
 */
export declare function detectContradictions(sources: SourceForDetection[], scope: string): ContradictionResult;
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