Parser.parseImportDeclaration

Parses an ImportDeclaration

$(GRAMMAR $(RULEDEF importDeclaration): $(LITERAL 'import') $(RULE singleImport) ($(LITERAL ',') $(RULE singleImport))* ($(LITERAL ',') $(RULE importBindings))? $(LITERAL ';') | $(LITERAL 'import') $(RULE importBindings) $(LITERAL ';') ;)