public void setFunctionLength(Address address, int length) {
		functionLengthByAddress.put(address, length);
	}
When determined elsewhere, and before {@code process()} is called, this method should
be used to populate the lengths of functions in to this lines applier.  If not done, then
some source line code lengths might not be correct
@param address the address
@param length the function length
Ghidra/Features/PDB/src/main/java/ghidra/app/util/pdb/pdbapplicator/PdbSourceLinesApplicator.java