public static void mergeParameter(Parameter paramCalcul, Parameter paramDoc) {
		if (StringUtils.isBlank(paramDoc.getDescription()))
			paramDoc.setDescription(paramCalcul.getDescription());

		if (StringUtils.isBlank(paramDoc.getIn()))
			paramDoc.setIn(paramCalcul.getIn());

		if (paramDoc.getExample() == null)
			paramDoc.setExample(paramCalcul.getExample());

		if (paramDoc.getDeprecated() == null)
			paramDoc.setDeprecated(paramCalcul.getDeprecated());

		if (paramDoc.getRequired() == null)
			paramDoc.setRequired(paramCalcul.getRequired());

		if (paramDoc.getAllowEmptyValue() == null)
			paramDoc.setAllowEmptyValue(paramCalcul.getAllowEmptyValue());

		if (paramDoc.getAllowReserved() == null)
			paramDoc.setAllowReserved(paramCalcul.getAllowReserved());

		if (StringUtils.isBlank(paramDoc.get$ref()))
			paramDoc.set$ref(paramDoc.get$ref());

		if (paramDoc.getSchema() == null && paramDoc.getContent() == null)
			paramDoc.setSchema(paramCalcul.getSchema());

		if (paramDoc.getExamples() == null)
			paramDoc.setExamples(paramCalcul.getExamples());

		if (paramDoc.getExtensions() == null)
			paramDoc.setExtensions(paramCalcul.getExtensions());

		if (paramDoc.getStyle() == null)
			paramDoc.setStyle(paramCalcul.getStyle());

		if (paramDoc.getExplode() == null)
			paramDoc.setExplode(paramCalcul.getExplode());
	}
Merge parameter.

@param paramCalcul the param calcul
@param paramDoc    the param doc
springdoc-openapi-starter-common/src/main/java/org/springdoc/core/service/GenericParameterService.java