export declare const NONE_INTENT_LABEL = "__none__";
export interface IntentLabelPair {
    expectedIntent?: string | null;
    predictedIntent?: string | null;
}
export interface IntentMetric {
    label: string;
    truePositives: number;
    falsePositives: number;
    falseNegatives: number;
    trueNegatives: number;
    precision: number;
    recall: number;
    accuracy: number;
    support: number;
    predicted: number;
}
export interface ConfusionMatrix {
    labels: string[];
    matrix: number[][];
    rows: Array<{
        expected: string;
        counts: Record<string, number>;
    }>;
    totalCases: number;
    correctCases: number;
    accuracy: number;
}
export interface IntentMetricsReport {
    labels: string[];
    totalCases: number;
    correctCases: number;
    accuracy: number;
    confusionMatrix: ConfusionMatrix;
    perIntent: IntentMetric[];
}
export declare function normalizeIntentLabel(label: string | null | undefined): string;
export declare function collectIntentLabels(pairs: ReadonlyArray<IntentLabelPair>): string[];
export declare function buildConfusionMatrix(pairs: ReadonlyArray<IntentLabelPair>): ConfusionMatrix;
export declare function calculateIntentMetrics(pairs: ReadonlyArray<IntentLabelPair>): IntentMetricsReport;
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