import { DirectedGraph } from "./graph.js";
interface WordStats {
    maxTf: number;
    avgTf: number;
    stdTf: number;
    numberOfSentences: number;
}
export declare class SingleWord {
    readonly id: number;
    readonly g: DirectedGraph;
    readonly uniqueTerm: string;
    readonly occurs: Map<number, [number, number][]>;
    stopword: boolean;
    h: number;
    tf: number;
    tfA: number;
    tfN: number;
    wfreq: number;
    wcase: number;
    wrel: number;
    wpos: number;
    wspread: number;
    pl: number;
    pr: number;
    private graphMetricsCache;
    /**
     * Creates the single-word state holder used during YAKE scoring.
     */
    constructor(unique: string, id: number, graph: DirectedGraph);
    /**
     * Clears cached graph-derived metrics after co-occurrence changes.
     */
    invalidateGraphCache(): void;
    /**
     * Records an occurrence of this term.
     */
    addOccur(tag: string, sentenceId: number, posSent: number, posText: number): void;
    /**
     * Computes the final YAKE single-word score.
     */
    updateH(stats: WordStats, features?: string[] | null): void;
    private getGraphMetrics;
}
export {};
//# sourceMappingURL=SingleWord.d.ts.map