@Override
	public Schema<?> resolve(AnnotatedType type, ModelConverterContext context, Iterator<ModelConverter> chain) {
		if (chain.hasNext()) {
			Schema<?> resolvedSchema = chain.next().resolve(type, context, chain);
			if (resolvedSchema != null && !isComposedSchema(resolvedSchema)) {
				handleSchemaTypes(resolvedSchema);
			}
			return resolvedSchema;
		}
		return null;
	}
The type OAS31 Model converter.

@author bnasslahsen
springdoc-openapi-starter-common/src/main/java/org/springdoc/core/converters/OAS31ModelConverter.java