import Algorithm from "../Algorithm";
import AlignmentMemoryIndex from "../index/AlignmentMemoryIndex";
import CorpusIndex from "../index/CorpusIndex";
import Prediction from "../structures/Prediction";
/**
 * Calculations the equivalence of the target n-gram with the source n-gram.
 * This is primarily useful when aligning texts within the same language.
 * e.g. to uncover variations within the text such as spelling and word order.
 */
export default class NgramEquality extends Algorithm {
    name: string;
    /**
     * Load data into the predictions
     * @param predictions
     * @param cIndex
     * @param saIndex
     * @param usIndex
     */
    execute(prediction: Prediction, cIndex: CorpusIndex, saIndex: AlignmentMemoryIndex, usIndex: CorpusIndex): Prediction;
}