private static void setProperty(Properties properties,
                                    ExecutableElement method,
                                    VariableElement parameter,
                                    String description) {
        final String methodName = method.getSimpleName().toString();
        final String parameterName = parameter.getSimpleName().toString();
        properties.setProperty(methodName + '.' + parameterName, description);
    }
Processor that creates a properties file based on the JavaDoc/KDoc description of parameters for interfaces.
This file can be later used if the {@link Description} annotation does not exist for parameters or methods.
annotation-processor/src/main/java/com/linecorp/armeria/server/annotation/processor/DocumentationProcessor.java