[]
• Optional backColor: string | IPatternFillBackColor
• Optional backColorTransparency: number
• Optional borderColor: string
• Optional borderColorTransparency: number
• Optional borderWidth: number
• Optional color: string
• Optional format: string
• Optional position: DataLabelPosition
• Optional separator: string
• Optional showCategoryName: boolean
• Optional showPercentage: boolean
• Optional showSeriesName: boolean
• Optional showValue: boolean
• Optional transparency: number