public boolean canHandle(ElfHeader elf) {
		return false;
	}
Check if this extension can handle the specified elf header.  If this method returns 
true, this extension will be used to obtain extended types definitions and to perform
additional load processing.
@param elf elf header
@return true if this extension should be used when loading the elf image which
corresponds to the specified header.
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/elf/extend/ElfLoadAdapter.java