public List<CustomDefinitionProviderV2> getCustomDefinitionProviders() {
        return Collections.unmodifiableList(this.customDefinitionProviders);
    }
Getter for the applicable custom definition provider.

@return providers for certain custom definitions by-passing the default schema generation to some extent
jsonschema-generator/src/main/java/com/github/victools/jsonschema/generator/SchemaGeneratorGeneralConfigPart.java