constructor(config) {
        super(config);

        this.addPrefixSpace = config.add_prefix_space;
        this.replacement = config.replacement;
    }
Constructs a new MetaspaceDecoder object.
@param {Object} config The configuration object for the MetaspaceDecoder.
@param {boolean} config.add_prefix_space Whether to add a prefix space to the decoded string.
@param {string} config.replacement The string to replace spaces with.