keys.add(ImmutableMap.<String, Object>builder()
.put("accessorReturnType", accessorReturnType)
.put("configAccessor", configAccessor)
.put("accessorName", methodElem.getSimpleName().toString())
.put("key", settingsKey.key())
.put("prefix", prefix)
.put("suffix", suffix)
.put("doc", settingsKey.doc())
.put("defaultValue", settingsKey.defaultValue())
.build());