Layout constraints for Paragraph objects.
Instances of this class are typically used with Paragraph.layout.
The only constraint that can be specified is the width. See the discussion
at width for more details.
The hash code for this object. [...]
The width the paragraph should use whey computing the positions of glyphs. [...]
A representation of the runtime type of the object.
Returns a string representation of this object.
Invoked when a non-existent method or property is accessed. [...]