public int getFirstImportedSymbol() {
		return firstImportedSymbol;
	}
The firstImportedSymbol field (4 bytes) holds the (zero-based) index of the 
first entry in the imported symbol table for this library.
@return index of first imported symbol from this library
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/pef/ImportedLibrary.java