type FormatterFunction = (name: string) => any;

interface TextStyle {
  overflow?: 'none' | 'truncate'
  ellipsis?: string
}
export interface LegendOptions {
  show?: boolean
  data?: string[]
  formatter?: string | FormatterFunction
  orient?: 'horizontal' | 'vertical',
  textStyle?: TextStyle
  justify?: 'left' | 'center' | 'right'
  top?: number;
  icon?:  'rect' | 'circle'
};