static boolean isSimpleType(Class<?> clazz) {
		return SIMPLE_TYPE_PREDICATES.stream().anyMatch(p -> p.test(clazz)) ||
				SIMPLE_TYPES.stream().anyMatch(c -> c.isAssignableFrom(clazz));
	}
Is simple type boolean.

@param clazz the clazz
@return the boolean
springdoc-openapi-starter-common/src/main/java/org/springdoc/core/extractor/MethodParameterPojoExtractor.java