public ApiDocRegisterDTOBuilder contextPath(final String contextPath) {
            this.contextPath = contextPath;
            return this;
        }
build contextPath.
@param contextPath contextPath
@return ApiDocRegisterDTOBuilder
shenyu-register-center/shenyu-register-common/src/main/java/org/apache/shenyu/register/common/dto/ApiDocRegisterDTO.java