Stores a serializable set of key-value pairs of various types.
Deletes a persistent property with the specified name.
Name of the property to delete.
Sets a value from a property with the specified name.
Name to record the property under.
Optional
Retrieves a value of a boolean property.
Name of the property to retrieve.
Default value to return if property cannot be found.
Value of the property if it exists, otherwise the default value.
Checks does a persistent property with the specified name exists.
Name of the property to check.
True if the property exists, false otherwise.
Sets a value to a property with the specified name.
Value of the property.
Sets a boolean value to a property with the specified name.
Stores a serializable set of key-value pairs of various types.