docs: public boolean hasConversion(String type) {
  		if ((isImplicitSarlTypes() && type.startsWith(IMPLICIT_PACKAGE))
  			|| isImplicitJvmTypes()) {
  			return true;
  		}
  		if (this.mapping == null) {
  			this.mapping = initMapping();
  		}
  		return this.mapping.containsKey(type);
  	}