private void setBytes(Address a, String pattern, int count) throws Exception {
		String addr = a.toString();
		for (int i = 0; i < count; i++) {
			builder.setBytes(addr, pattern);
			a = a.next();
			addr = a.toString();
		}
	}
Creates filler bytes of 01.  

@param searchPattern the pattern that will be used to find filler bytes.  This value is
       used to determine whether the functions created by this method are expected
       to match the filler bytes.
Ghidra/Features/Base/src/test/java/ghidra/app/analyzers/CondenseFillerBytesAnalyzerTest.java