DimensionRange

A range along a single dimension on a sheet. All indexes are zero-based. Indexes are half open: the start index is inclusive and the end index is exclusive. Missing indexes indicate the range is unbounded on that side.

JSON representation 
{
  "sheetId": integer,
  "dimension": enum (Dimension),
  "startIndex": integer,
  "endIndex": integer
}
Fields
sheetId

integer

The sheet this span is on.
dimension

enum (Dimension)

The dimension of the span.
startIndex

integer

The start (inclusive) of the span, or not set if unbounded.
endIndex

integer

The end (exclusive) of the span, or not set if unbounded.