/**
 * Available clustering algorithms
 */
export type ClusteringAlgorithm = 'simple' | 'kmeans' | 'hierarchical' | 'direct';
/**
 * Linkage methods for hierarchical clustering
 */
export type HierarchicalLinkage = 'single' | 'complete' | 'average';
/**
 * Configuration options for the KeywordClusterer
 */
export interface KeywordClustererOptions {
    /** OpenAI API key */
    apiKey: string;
    /** OpenAI model to use for embeddings */
    embeddingModel?: string;
    /** OpenAI model to use for generating cluster names and descriptions */
    completionModel?: string;
    /** Minimum number of items to form a cluster */
    minClusterSize?: number;
    /** Maximum cosine distance for items to be considered similar */
    distanceThreshold?: number;
    /** Clustering algorithm to use */
    algorithm?: ClusteringAlgorithm;
    /** Number of clusters for k-means algorithm */
    k?: number;
    /** Maximum iterations for k-means algorithm */
    maxIterations?: number;
    /** Linkage method for hierarchical clustering */
    linkage?: HierarchicalLinkage;
    /** Context description to guide clustering and naming (e.g., "AI chat topics", "Google Ads keywords") */
    context?: string;
}
/**
 * Represents a cluster of keywords
 */
export interface Cluster {
    /** Items in the cluster */
    items: string[];
    /** Name of the cluster */
    name?: string;
    /** Description of the cluster */
    description?: string;
}