Module chart 

Structs

AnnotationSpec

AxesSpec

AxisSpec

ChartSpec

ChartStyleSpec

DataLabelsSpec

FieldSpec

InlineData

LayoutSpec

MarkEncodingSpec

MarksSpec

VisualizeSpec

Enums

ChartMode

DataRef

FieldRef

FieldRefItem

Items within a FieldRef::Multiple array — each can be a string or a detailed spec.

MarkEncoding

Orientation

StyleRefOrInline