forked from loafle/openapi-generator-original
* Add RequiredError * Add IsZeroValue helper * Add AssertRequired method to all models * Add AssertRequired call for body param * Regenerate files * Add DisallowUnknownFields * Regenerate samples * Use hasRequired in model to remove unnecessary code * Revert disallowUnknownFields * Use isAdditionalPropertiesTrue for disallowing unknown fields * Updated samples * Fix indent * Add require checks for nested slices * Add new tests * Regenerate samples * Regenerate samples after merging