export type ConfidenceLevel = "high" | "medium" | "low";
export interface ConfidenceInput {
    sources: number;
    citationsTotal: number;
    citationsSupported: number;
}
export interface ConfidenceAssessment {
    level: ConfidenceLevel;
    sources: number;
    citationsTotal: number;
    citationsSupported: number;
    supportRatio: number;
    reasons: string[];
}
export declare function assessConfidence(input: ConfidenceInput): ConfidenceAssessment;
export declare function formatConfidenceLine(a: ConfidenceAssessment): string;
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