private void initIOSettings() {
forceWriteAs2DCoords = addSetting(new BooleanIOSetting(OptForceWriteAs2DCoordinates, IOSetting.Importance.LOW,
"Should coordinates always be written as 2D?", "false"));
writeMajorIsotopes = addSetting(new BooleanIOSetting(OptWriteMajorIsotopes, IOSetting.Importance.LOW,
"Write atomic mass of any non-null atomic mass including major isotopes (e.g. [12]C)", "true"));
writeAromaticBondTypes = addSetting(new BooleanIOSetting(OptWriteAromaticBondTypes, IOSetting.Importance.LOW,
"Should aromatic bonds be written as bond type 4?", "false"));
writeQueryFormatValencies = addSetting(new BooleanIOSetting(OptWriteQueryFormatValencies,
IOSetting.Importance.LOW, "Should valencies be written in the MDL Query format? (deprecated)", "false"));
writeDefaultProps = addSetting(new BooleanIOSetting(OptWriteDefaultProperties,
IOSetting.Importance.LOW,
"Write trailing zero's on atom/bond property blocks even if they're not used.",
"true"));
}