ColumnMutator extends DocumentMutatorImpl<DOC> implements 
        HasEnabledMutator<DOC>, 
        HasIdMutator<DOC>,
        HasNameMutator<DOC>, 
        HasAliasMutator<DOC>,
        HasColumnSizeMutator<DOC>,
        HasDecimalDigitsMutator<DOC>,
        HasOrdinalPositionMutator<DOC> { public void setNullable(Boolean nullable) { put(NULLABLE, nullable); } ColumnMutator(DOC column); void setNullable(Boolean nullable); void setAutoIncrement(Boolean autoIncrement); void setTypeMapper(Class<?> typeMapperClass); void setDatabaseType(Class<?> databaseType); void setEnumConstants(String enumConstants);  }
@Test void setNullable() { assertDoesNotThrow(() -> getMutatorInstance().setNullable(true)); }