function prepare(openapiSpec, { noAdditionalProperties, allPropertiesRequired } = {}) {
    const openapiSpecCopy = cloneDeep(openapiSpec);
    noAdditionalProperties && setNoAdditionalProperties(openapiSpecCopy, getJsonPathsToExamples());
    allPropertiesRequired && setAllPropertiesRequired(openapiSpecCopy, getJsonPathsToExamples());
    return openapiSpecCopy;