currentMetrics
currentMetrics: { [id: string]: number } = {}
currentObjectMetrics
currentObjectMetrics: { [id: string]: object } = {}
currentStringMetrics
currentStringMetrics: { [id: string]: string } = {}
previousMetrics
previousMetrics: { [id: string]: number } = {}
previousObjectMetrics
previousObjectMetrics: { [id: string]: object } = {}