public GroupedOpenApi addAllOperationCustomizer(Collection<? extends OperationCustomizer> operationCustomizerCollection) {
		Set<OperationCustomizer> result = new LinkedHashSet<>();
		result.addAll(operationCustomizerCollection);
		result.addAll(operationCustomizers);
		operationCustomizers = result;
		return this;
	}
Add all operation customizer grouped open api.

@param operationCustomizerCollection the operation customizer collection
@return the grouped open api
springdoc-openapi-starter-common/src/main/java/org/springdoc/core/models/GroupedOpenApi.java