code: @Override
  	public InputSource resolve(ScssStylesheet parentStylesheet, String identifier) {
  		// Remove a possible ".scss" suffix
  		identifier = identifier.replaceFirst(".scss$", "");
  		String parentPath = parentStylesheet.getFileName().replace('\\', '/');
  		String path = PathNormalizer.concatWebPath(parentPath, identifier);
  
  		InputSource source = resolveNormalized(path);
  
  		if (source != null) {
  			return source;
  		}
  
  		// Try to find partial import (_identifier.scss)
  		path = PathNormalizer.getParentPath(path) + "_" + PathNormalizer.getPathName(path);
  
  		source = normalizeAndResolve(path);
  
  		if (source != null) {
  			return source;
  		}
  
  		return normalizeAndResolve(identifier);
  	}
docs: /*
  (non-Javadoc)
  
  @see
  com.vaadin.sass.internal.resolver.ScssStylesheetResolver#resolve(java
  .lang.String)