public SchemaBuilder defaultValue(Object value) {
        checkCanSet(DEFAULT_FIELD, defaultValue, value);
        checkNotNull(TYPE_FIELD, type, DEFAULT_FIELD);
        try {
            ConnectSchema.validateValue(this, value);
        } catch (DataException e) {
            throw new SchemaBuilderException("Invalid default value", e);
        }
        defaultValue = value;
        return this;
    }
Set the default value for this schema. The value is validated against the schema type, throwing a
{@link SchemaBuilderException} if it does not match.
@param value the default value
@return the SchemaBuilder
connect/api/src/main/java/org/apache/kafka/connect/data/SchemaBuilder.java