public static String buildServiceConfigPath(final String rpcType, final String contextPath) {
        final String serviceConfigPathOrigin = String.join(SEPARATOR, ROOT_PATH, "service", rpcType, contextPath)
                .replace("/", DOT_SEPARATOR).replace("*", "");
        final String serviceConfigPathAfterSubstring = serviceConfigPathOrigin.substring(1);
        if (serviceConfigPathAfterSubstring.endsWith(".")) {
            return serviceConfigPathAfterSubstring.substring(0, serviceConfigPathAfterSubstring.length() - 1);
        }
        return serviceConfigPathAfterSubstring;
    }
Build nacos config service path string.
build child path of "shenyu.register.service.{rpcType}.{contextPath}".

@param rpcType the rpc type
@param contextPath the context path
@return the string
shenyu-register-center/shenyu-register-common/src/main/java/org/apache/shenyu/register/common/path/RegisterPathConstants.java