A utility class for accessing parts of the Q_PROPERTY expansion that have already
 * been entered as well as the offset of various parts of the declaration.  This is
 * used for things like proposing only parameters that are not already used, offering
 * appropriate suggestions for a specific parameter, etc.
A utility class for accessing parts of the Q_PROPERTY expansion that have already
 * been entered as well as the offset of various parts of the declaration.  This is
 * used for things like proposing only parameters that are not already used, offering
 * appropriate suggestions for a specific parameter, etc. | QPropertyExpansion.java