<commit_before>'use strict';

class Config {

    constructor(obj) {
        this.config = obj && obj.config;
        this.validator = obj && obj.validator;
    }

    exists(key) {
        this.validator.validateKey(key);

        if (this.config.hasOwnProperty(key)) {
            return true;
        }

        return false;
    }

    get(key) {
        this.validator.validateKey(key);<commit_msg>Refactor Config exists method<commit_after>'use strict';

class Config {

    constructor(obj) {
        this.config = obj && obj.config;
        this.validator = obj && obj.validator;
    }

    exists(key) {
        this.validator.validateKey(key);
        return this.config.hasOwnProperty(key);
    }

    get(key) {
        this.validator.validateKey(key);
{'fraction_non_alphanumeric': 0.1243455497382199, 'fraction_numerical': 0.0, 'mean_word_length': 2.1875, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '749524', 'n_tokens_mistral': 230, 'n_tokens_neox': 231, 'n_words': 40}