Interface QualityChart

interface QualityChart {
    baseline?: number;
    center: number;
    companion?: QualityChart;
    estimator?: WithinEstimate | { label: string };
    h?: number;
    k?: number;
    L?: number;
    lambda?: number;
    outOfControl: number[];
    points: QualityPoint[];
    processMean?: number;
    processSigma?: number;
    rate?: number;
    rules: NelsonRule[];
    sigma: number;
    sigmaZ?: number;
    signals: { index: number; rules: NelsonRule[] }[];
    type: string;
}