export interface ClusterNode {
    name: string;
    height: number;
    children?: ClusterNode[];
}
export interface ClusterResult {
    tree: ClusterNode;
    order: number[];
    clustersGivenK: number[][][];
}
export type NumericVector = ArrayLike<number>;
/**
 * A progress report from a run. `current`/`total` are raw counts rather than a
 * preformatted percentage so callers can drive a determinate progress bar; they
 * are both 0 for the 'init' phase, which has no meaningful denominator and
 * should render as indeterminate. `message` is an unformatted phase label — it
 * carries no percentage, so append one from `current`/`total` if you want it.
 */
export interface ClusterProgress {
    phase: 'init' | 'distance' | 'clustering';
    message: string;
    current: number;
    total: number;
}
export interface ClusterOptions {
    data: NumericVector[];
    sampleLabels?: string[];
    onProgress?: (progress: ClusterProgress) => void;
    checkCancellation?: () => void;
}
export interface ClusterObjectOptions {
    data: Record<string, NumericVector>;
    onProgress?: (progress: ClusterProgress) => void;
    checkCancellation?: () => void;
}