class VersionProperty implements Serializable, Comparable<VersionProperty> {

	private static final List<Character> SUPPORTED_CHARS = Arrays.asList('.', '-');

	private final String property;

	private final boolean internal;

	private VersionProperty(String property, boolean internal) {
		this.property = validateFormat(property);
		this.internal = internal;
	}

	/**
	 * Create a {@link VersionProperty}.
	 * @param property the name of the property
	 * @param internal whether the property is internal and can be tuned according to the
	 * build system
	 * @return a version property
	 */
	public static VersionProperty of(String property, boolean internal) {
		return new VersionProperty(property, internal);
	}

	/**
	 * Create an internal {@link VersionProperty}.
	 * @param property the name of the property
	 * @return a version property whose format can be tuned according to the build system
	 */
	public static VersionProperty of(String property) {
		return of(property, true);
	}

	/**
	 * Specify if the property is internally defined and can be tuned according to the
	 * build system.
	 * @return {@code true} if the property is defined within the scope of this project
	 */
	public boolean isInternal() {
		return this.internal;
	}

	/**
	 * Return a camel cased representation of this instance.
	 * @return the property in camel case format
	 */
	public String toCamelCaseFormat() {<FILL_FUNCTION_BODY>}

	public String toStandardFormat() {
		return this.property;
	}

	private static String validateFormat(String property) {
		for (char c : property.toCharArray()) {
			if (Character.isUpperCase(c)) {
				throw new IllegalArgumentException("Invalid property '" + property + "', must not contain upper case");
			}
			if (!Character.isLetterOrDigit(c) && !SUPPORTED_CHARS.contains(c)) {
				throw new IllegalArgumentException("Unsupported character '" + c + "' for '" + property + "'");
			}
		}
		return property;
	}

	@Override
	public int compareTo(VersionProperty o) {
		return this.property.compareTo(o.property);
	}

	@Override
	public boolean equals(Object o) {
		if (this == o) {
			return true;
		}
		if (o == null || getClass() != o.getClass()) {
			return false;
		}
		VersionProperty that = (VersionProperty) o;
		return this.internal == that.internal && this.property.equals(that.property);
	}

	@Override
	public int hashCode() {
		return Objects.hash(this.property, this.internal);
	}

	@Override
	public String toString() {
		return this.property;
	}

}

		String[] tokens = this.property.split("[-.]");
		StringBuilder sb = new StringBuilder();
		for (int i = 0; i < tokens.length; i++) {
			String part = tokens[i];
			if (i > 0) {
				part = StringUtils.capitalize(part);
			}
			sb.append(part);
		}
		return sb.toString();
	
<no_super_class>