public Builder addRouterOperationCustomizer(RouterOperationCustomizer routerOperationCustomizer) {
			this.routerOperationCustomizers.add(routerOperationCustomizer);
			return this;
		}
Add router operation customizer builder

@param routerOperationCustomizer the router operation customizer
@return the builder
springdoc-openapi-starter-common/src/main/java/org/springdoc/core/models/GroupedOpenApi.java