ResponsiveBreakpoint.autoScale constructor
Implementation
const ResponsiveBreakpoint.autoScale(this.breakpoint,
{this.name, this.scaleFactor = 1})
: behavior = ResponsiveBreakpointBehavior.AUTOSCALE,
assert(breakpoint >= 0,
'Breakpoints cannot be negative. To control behavior from 0, set `default` parameters in `ResponsiveWrapper`.');