static DocServiceFilter ofMethodName(String methodName) {
        requireNonNull(methodName, "methodName");
        return (plugin, service, method) -> methodName.equals(method);
    }
Returns a {@link DocServiceFilter} which returns {@code true} when the name of the method matches the
specified {@code methodName}.
core/src/main/java/com/linecorp/armeria/server/docs/DocServiceFilter.java