this.setName(p.getName());
        this.setRequired(p.isRequired());
        this.setEditable(p.isEditable());
        this.setDescription(p.getDescription());
        this.setExpression(p.getExpression());
        this.setDeprecated(p.getDeprecated());
        this.setDefaultValue(p.getDefaultValue());
        this.setType(p.getType());
        this.setSince(p.getSince());
    }

            PlexusConfiguration paramConfig = mojoConfig.getChild(parameter.getName(), false);
            if (paramConfig != null) {
                parameter.setExpression(paramConfig.getValue(null));
                parameter.setDefaultValue(paramConfig.getAttribute("default-value"));
            }

            parameters.add(parameter);
        }

        super("The POM expression: " + expression + " could not be evaluated. Reason: " + message);

        this.expression = expression;
        this.originalMessage = message;
    }

    public String getExpression() {
        return expression;
    }

    public String getOriginalMessage() {
        return originalMessage;
    }

        assertFalse(mp.isRequired());
        assertEquals("parameter-description", mp.getDescription());
        assertEquals("deprecated-parameter", mp.getDeprecated());
        assertEquals("${jar.finalName}", mp.getExpression());
        assertEquals("${project.build.finalName}", mp.getDefaultValue());
        assertEquals("3.0.0", mp.getSince());

        ComponentRequirement cr = md.getRequirements().get(0);