Exact copy of this Zoom.
Copy frame and reset contour.
Move this frame on the left or the right side of the other Zoom's contour.
Similar to String.indexOf
Intersect contours.
Similar to String.lastIndexOf
Lookup for the given string from both sides.
Lookup for the given string from the right side.
Lookup from right until check succeeds.
Lookup from the right side while check succeeds.
Lookup for the given string from the left side.
Lookup from the left side until check succeeds.
Lookup from the left side while check succeeds.
Merge contours and frames.
Change frame boundary on the left or the right side.
Expand contour from the left side.
Expand contour from the right side.
Union contours.
A Mutable wrapper of the character sequence. Helps track different lookup operations.