/**
* Initialize the DefaultValueBuilder map with known implementations
*/
protected void initDefaultValueBuilders()
{
addDefaultValueBuilder(new BigDecimalDefaultValueBuilder());
addDefaultValueBuilder(new BigIntegerDefaultValueBuilder());
addDefaultValueBuilder(new DoubleDefaultValueBuilder());
addDefaultValueBuilder(new DoublePrimitiveDefaultValueBuilder());
addDefaultValueBuilder(new FloatDefaultValueBuilder());
addDefaultValueBuilder(new FloatPrimitiveDefaultValueBuilder());