Represents a simple line graph chart where the X axis is
time and the Y axis is the user driven data.
BetaStackedBarChart
StackedBarChart:2
Remarks
Represents a line graph chart where the X axis is time and
the Y axis is a collection of multiple the user driven data
entries that are visually stacked on top of each other.
BetaStackedLineChart
StackedLineChart:1
Remarks
Indicates that the view or stat has not been registered.
The display type for the chart (e.g. line chart, stacked line chart, stacked bar chart).