GWT 2.7.0

## Package com.google.gwt.resources.converter

Class Summary
AlternateAnnotationCreatorVisitor | Visitor that adds @alternate annotations where required in CSSRules.
Css2Gss | Converter from Css to Gss.
CssElIf | Represents a else if node in the css ast.
CssElse | Represents a else node in the css ast.
DefCollectorVisitor | GSS requires that constants are defined in upper case.
ElseNodeCreator | The original Css parser doesn't create specific nodes for `@elif` and `@else` at-rules.
ExtendedCssVisitor | This visitor allows to visit new nodes created specifically for the conversion.
FontFamilyVisitor | Escapes white spaces in font-family declarations, thus allowing usage of fonts that might be mistaken for constants.
GssGenerationVisitor | The GssGenerationVisitor turns a css tree into a gss string.
SimpleValue | A simple property value class.
UndefinedConstantVisitor | Converts upper case strings used in properties to lowercase if they are not defined with a proper @def statement.

Exception Summary
Css2GssConversionException | Css2GssConversionException signals a problem with the conversion from CSS to GSS.

GWT 2.7.0