public GroovyAssignmentExpressionPattern right(@NotNull final ElementPattern pattern) {
    return with(new PatternCondition<>("right") {
      @Override
      public boolean accepts(@NotNull final GrAssignmentExpression psiBinaryExpression, final ProcessingContext context) {
        return pattern.accepts(psiBinaryExpression.getRValue(), context);
      }
    });
  }
public GroovyAssignmentExpressionPattern right(@NotNull final ElementPattern pattern)