/**
* A factory for fast construction of this class. The constructed object will be a wrapper around
* the specified <code>List</code>. The calling method must ensure that the <code>List</code> is
* never externally modified, in order to meet the immutability requirement of {@link PdfObject
* PdfObject}.
*
* @param a the <code>List</code> to be used to back this array.
* @return the constructed object.
*/
protected static PdfArray wrap(List a) {
PdfArray pa = new PdfArray();
pa._a = Collections.unmodifiableList(a);
return pa;
}
