code: protected void reportCastWarnings(JvmTypeReference concreteSyntax, LightweightTypeReference toType, LightweightTypeReference fromType) {
  		if (!isIgnored(OBSOLETE_CAST) && toType.isAssignableFrom(fromType)) {
  			addIssue(MessageFormat.format(Messages.SARLValidator_96, fromType.getHumanReadableName(),
  					toType.getHumanReadableName()), concreteSyntax, OBSOLETE_CAST);
  		}
  	}
docs: Report the warnings associated to the casted expressions.
  
  @param concreteSyntax the type specified into the casted expression.
  @param toType the type specified into the casted expression.
  @param fromType the type of the source expression.