diff --git a/.eslintrc.yml b/.eslintrc.yml
index 07b4cfe..9eaac1c 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -7,7 +7,6 @@ extends:
 - plugin:@typescript-eslint/eslint-recommended
 - plugin:@typescript-eslint/recommended
 plugins:
-- import
 - "@typescript-eslint"
 parser: "@typescript-eslint/parser"
 parserOptions:
@@ -60,7 +59,7 @@ rules: # https://eslint.org/docs/rules/
   - property
   dot-notation:
   - error
-  - allowKeywords: true
+  - allowPattern: "^_"
   eol-last: error
   eqeqeq: error
   for-direction: error
@@ -72,14 +71,16 @@ rules: # https://eslint.org/docs/rules/
   func-style:
   - error
   - declaration
-  function-paren-newline: error
+  function-paren-newline:
+  - error
+  - multiline-arguments
   generator-star-spacing: error
   getter-return: error
   global-require: error
   guard-for-in: error
   handle-callback-err: error
   id-blacklist: error
-  id-length: 'off'
+  id-length: error
   id-match: error
   implicit-arrow-linebreak:
   - error
@@ -113,6 +114,7 @@ rules: # https://eslint.org/docs/rules/
   lines-between-class-members:
   - error
   - always
+  - exceptAfterSingleLine: true
   max-depth: error
   max-len: 'off'
   max-lines: 'off'
@@ -147,6 +149,7 @@ rules: # https://eslint.org/docs/rules/
   no-extra-bind: error
   no-extra-label: error
   no-extra-parens: error
+  no-extra-semi: error
   no-floating-decimal: error
   no-implicit-coercion: error
   no-implicit-globals: error
@@ -256,7 +259,10 @@ rules: # https://eslint.org/docs/rules/
   semi-style:
   - error
   - last
-  sort-imports: 'off'
+  sort-imports:
+  - error
+  - ignoreCase: false
+    ignoreDeclarationSort: true
   sort-keys: 'off'
   sort-vars: error
   space-before-blocks: error
@@ -281,8 +287,14 @@ rules: # https://eslint.org/docs/rules/
   - never
   valid-jsdoc:
   - error
-  - requireParamType: false
+  - prefer:
+      arg: param
+      argument: param
+      return: returns
+      yield: yields
+      exception: throws
     requireReturn: false
+    requireParamType: false
     requireReturnType: false
   vars-on-top: error
   wrap-iife: error
@@ -292,13 +304,9 @@ rules: # https://eslint.org/docs/rules/
   - error
   - never
 
-  # import plugin
-  import/extensions: 'off'
-  import/no-unresolved:
-  - error
-
   # @typescript-eslint plugin
-  "@typescript-eslint/explicit-function-return-type": 'off'
+  "@typescript-eslint/ban-ts-ignore": 'off'
+  "@typescript-eslint/no-empty-interface": 'off'
   "@typescript-eslint/no-use-before-define":
   - error
   - functions: false
diff --git a/package-lock.json b/package-lock.json
index 1cebb04..b9efe59 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -177,9 +177,9 @@
       }
     },
     "ajv": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.11.0.tgz",
-      "integrity": "sha512-nCprB/0syFYy9fVYU1ox1l2KN8S9I+tziH8D4zdZuLT3N6RMlGSGt5FSTpAiHB/Whv8Qs1cWHma1aMKZyaHRKA==",
+      "version": "6.12.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.0.tgz",
+      "integrity": "sha512-D6gFiFA0RRLyUbvijN74DWAjXSFxWKaWP7mldxkVhyhAV3+SWA9HEJPHQ2c9soIeTFJqcSdFDGFgdqs1iUU2Hw==",
       "dev": true,
       "requires": {
         "fast-deep-equal": "^3.1.1",
@@ -261,27 +261,6 @@
         "sprintf-js": "~1.0.2"
       }
     },
-    "array-includes": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.1.1.tgz",
-      "integrity": "sha512-c2VXaCHl7zPsvpkFsw4nxvFie4fh1ur9bpcgsVkIjqn0H/Xwdg+7fv3n2r/isyS8EBj5b06M9kHyZuIr4El6WQ==",
-      "dev": true,
-      "requires": {
-        "define-properties": "^1.1.3",
-        "es-abstract": "^1.17.0",
-        "is-string": "^1.0.5"
-      }
-    },
-    "array.prototype.flat": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/array.prototype.flat/-/array.prototype.flat-1.2.3.tgz",
-      "integrity": "sha512-gBlRZV0VSmfPIeWfuuy56XZMvbVfbEUnOXUvt3F/eUUUSyzlgLxhEX4YAEpxNAogRGehPSnfXyPtYyKAhkzQhQ==",
-      "dev": true,
-      "requires": {
-        "define-properties": "^1.1.3",
-        "es-abstract": "^1.17.0-next.1"
-      }
-    },
     "asap": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
@@ -475,9 +454,9 @@
       "dev": true
     },
     "chownr": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.3.tgz",
-      "integrity": "sha512-i70fVHhmV3DtTl6nqvZOnIjbY0Pe4kAUjwHj8z0zAdgBtYrJyYwLKCCuRBQ5ppkyL0AkN7HKRnETdmdp1zqNXw==",
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==",
       "dev": true
     },
     "ci-info": {
@@ -641,12 +620,6 @@
         "xdg-basedir": "^3.0.0"
       }
     },
-    "contains-path": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/contains-path/-/contains-path-0.1.0.tgz",
-      "integrity": "sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo=",
-      "dev": true
-    },
     "copy-concurrently": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/copy-concurrently/-/copy-concurrently-1.0.5.tgz",
@@ -941,107 +914,6 @@
         }
       }
     },
-    "eslint-import-resolver-node": {
-      "version": "0.3.3",
-      "resolved": "https://registry.npmjs.org/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.3.tgz",
-      "integrity": "sha512-b8crLDo0M5RSe5YG8Pu2DYBj71tSB6OvXkfzwbJU2w7y8P4/yo0MyF8jU26IEuEuHF2K5/gcAJE3LhQGqBBbVg==",
-      "dev": true,
-      "requires": {
-        "debug": "^2.6.9",
-        "resolve": "^1.13.1"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
-          "dev": true
-        }
-      }
-    },
-    "eslint-module-utils": {
-      "version": "2.5.2",
-      "resolved": "https://registry.npmjs.org/eslint-module-utils/-/eslint-module-utils-2.5.2.tgz",
-      "integrity": "sha512-LGScZ/JSlqGKiT8OC+cYRxseMjyqt6QO54nl281CK93unD89ijSeRV6An8Ci/2nvWVKe8K/Tqdm75RQoIOCr+Q==",
-      "dev": true,
-      "requires": {
-        "debug": "^2.6.9",
-        "pkg-dir": "^2.0.0"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
-          "dev": true
-        }
-      }
-    },
-    "eslint-plugin-import": {
-      "version": "2.20.1",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.20.1.tgz",
-      "integrity": "sha512-qQHgFOTjguR+LnYRoToeZWT62XM55MBVXObHM6SKFd1VzDcX/vqT1kAz8ssqigh5eMj8qXcRoXXGZpPP6RfdCw==",
-      "dev": true,
-      "requires": {
-        "array-includes": "^3.0.3",
-        "array.prototype.flat": "^1.2.1",
-        "contains-path": "^0.1.0",
-        "debug": "^2.6.9",
-        "doctrine": "1.5.0",
-        "eslint-import-resolver-node": "^0.3.2",
-        "eslint-module-utils": "^2.4.1",
-        "has": "^1.0.3",
-        "minimatch": "^3.0.4",
-        "object.values": "^1.1.0",
-        "read-pkg-up": "^2.0.0",
-        "resolve": "^1.12.0"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "doctrine": {
-          "version": "1.5.0",
-          "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
-          "integrity": "sha1-N53Ocw9hZvds76TmcHoVmwLFpvo=",
-          "dev": true,
-          "requires": {
-            "esutils": "^2.0.2",
-            "isarray": "^1.0.0"
-          }
-        },
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
-          "dev": true
-        }
-      }
-    },
     "eslint-scope": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.0.0.tgz",
@@ -1085,9 +957,9 @@
       "dev": true
     },
     "esquery": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.0.1.tgz",
-      "integrity": "sha512-SmiyZ5zIWH9VM+SRUReLS5Q8a7GxtRdxEBVZpm98rJM7Sb+A9DVCndXfkeFUd3byderg+EbDkfnevfCwynWaNA==",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.1.0.tgz",
+      "integrity": "sha512-MxYW9xKmROWF672KqjO75sszsA8Mxhw06YFeS5VHlB98KDHbOSurm3ArsjO60Eaf3QmGMCP1yn+0JQkNLo/97Q==",
       "dev": true,
       "requires": {
         "estraverse": "^4.0.0"
@@ -1200,9 +1072,9 @@
       "dev": true
     },
     "figures": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/figures/-/figures-3.1.0.tgz",
-      "integrity": "sha512-ravh8VRXqHuMvZt/d8GblBeqDMkdJMBdv/2KntFH+ra5MXkO7nxNKpzQ3n6QD/2da1kH0aWmNISdvhM7gl2gVg==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/figures/-/figures-3.2.0.tgz",
+      "integrity": "sha512-yaduQFRKLXYOGgEn6AZau90j3ggSOyiqXU0F9JZfeXYhNa+Jk4X+s45A2zg5jns87GAFa34BBm2kXw4XpNcbdg==",
       "dev": true,
       "requires": {
         "escape-string-regexp": "^1.0.5"
@@ -1218,12 +1090,13 @@
       }
     },
     "find-up": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
-      "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-4.1.0.tgz",
+      "integrity": "sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==",
       "dev": true,
       "requires": {
-        "locate-path": "^2.0.0"
+        "locate-path": "^5.0.0",
+        "path-exists": "^4.0.0"
       }
     },
     "flat-cache": {
@@ -1422,15 +1295,18 @@
       "dev": true
     },
     "hosted-git-info": {
-      "version": "2.8.5",
-      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.5.tgz",
-      "integrity": "sha512-kssjab8CvdXfcXMXVcvsXum4Hwdq9XGtRD3TteMEvEbq0LXyiNQr6AprqKqfeaDXze7SxWvRxdpwE6ku7ikLkg==",
-      "dev": true
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-3.0.3.tgz",
+      "integrity": "sha512-1ZStA49Bj7WGT+GF2ee50gWMkltL+04v+FgXs20OQbe/usWm9Vh6El9UViiGvD/CEYvsej3AMzABmKmd9DYwnw==",
+      "dev": true,
+      "requires": {
+        "lru-cache": "^5.1.1"
+      }
     },
     "http-cache-semantics": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.0.3.tgz",
-      "integrity": "sha512-TcIMG3qeVLgDr1TEd2XvHaTnMPwYQUQMIBLy+5pLSDKYFc7UIqj39w8EGzZkaxoLv/l2K8HaI0t5AVA+YYgUew==",
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.0.4.tgz",
+      "integrity": "sha512-Z2EICWNJou7Tr9Bd2M2UqDJq3A9F2ePG9w3lIpjoyuSyXFP9QbniJVu3XQYytuw5ebmG7dXSXO9PgAjJG8DDKA==",
       "dev": true
     },
     "http-proxy-agent": {
@@ -1687,12 +1563,6 @@
       "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ=",
       "dev": true
     },
-    "is-string": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/is-string/-/is-string-1.0.5.tgz",
-      "integrity": "sha512-buY6VNRjhQMiF1qWDouloZlQbRhDPCebwxSjxMjxgemYT46YMd2NR0/H+fBhEfWX4A/w9TBJ+ol+okqJKFE6vQ==",
-      "dev": true
-    },
     "is-symbol": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.3.tgz",
@@ -1799,9 +1669,9 @@
       }
     },
     "jsonc-parser": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/jsonc-parser/-/jsonc-parser-2.2.0.tgz",
-      "integrity": "sha512-4fLQxW1j/5fWj6p78vAlAafoCKtuBm6ghv+Ij5W2DrDx0qE+ZdEl2c6Ko1mgJNF5ftX1iEWQQ4Ap7+3GlhjkOA==",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/jsonc-parser/-/jsonc-parser-2.2.1.tgz",
+      "integrity": "sha512-o6/yDBYccGvTz1+QFevz6l6OBZ2+fMVu2JZ9CIhzsYRX4mjaK5IyX9eldUdCmga16zlgQxyrj5pt9kzuj2C02w==",
       "dev": true
     },
     "jsonparse": {
@@ -1892,15 +1762,6 @@
             "path-exists": "^3.0.0"
           }
         },
-        "p-limit": {
-          "version": "2.2.2",
-          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.2.2.tgz",
-          "integrity": "sha512-WGR+xHecKTr7EbUEhyLSh5Dube9JtdiG78ufaeLxTgpudf/20KqyMioIUZJAezlTIi6evxuoUs9YXc11cU+yzQ==",
-          "dev": true,
-          "requires": {
-            "p-try": "^2.0.0"
-          }
-        },
         "p-locate": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
@@ -1910,10 +1771,10 @@
             "p-limit": "^2.0.0"
           }
         },
-        "p-try": {
-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.2.0.tgz",
-          "integrity": "sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==",
+        "path-exists": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+          "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
           "dev": true
         }
       }
@@ -1928,25 +1789,24 @@
       }
     },
     "load-json-file": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
-      "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-4.0.0.tgz",
+      "integrity": "sha1-L19Fq5HjMhYjT9U62rZo607AmTs=",
       "dev": true,
       "requires": {
         "graceful-fs": "^4.1.2",
-        "parse-json": "^2.2.0",
-        "pify": "^2.0.0",
+        "parse-json": "^4.0.0",
+        "pify": "^3.0.0",
         "strip-bom": "^3.0.0"
       }
     },
     "locate-path": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
-      "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz",
+      "integrity": "sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==",
       "dev": true,
       "requires": {
-        "p-locate": "^2.0.0",
-        "path-exists": "^3.0.0"
+        "p-locate": "^4.1.0"
       }
     },
     "lodash": {
@@ -2060,14 +1920,6 @@
       "dev": true,
       "requires": {
         "pify": "^3.0.0"
-      },
-      "dependencies": {
-        "pify": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
-          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
-          "dev": true
-        }
       }
     },
     "make-fetch-happen": {
@@ -2396,6 +2248,21 @@
         "validate-npm-package-license": "^3.0.1"
       },
       "dependencies": {
+        "hosted-git-info": {
+          "version": "2.8.6",
+          "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.6.tgz",
+          "integrity": "sha512-Kp6rShEsCHhF5dD3EWKdkgVA8ix90oSUJ0VY4g9goxxa0+f4lx63muTftn0mlJ/+8IESGWyKnP//V2D7S4ZbIQ==",
+          "dev": true
+        },
+        "resolve": {
+          "version": "1.15.1",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.15.1.tgz",
+          "integrity": "sha512-84oo6ZTtoTUpjgNEr5SJyzQhzL72gaRodsSfyxC/AXRvwu0Yse9H8eF9IpGo7b8YetZhlI6v7ZQ6bKBFV/6S7w==",
+          "dev": true,
+          "requires": {
+            "path-parse": "^1.0.6"
+          }
+        },
         "semver": {
           "version": "5.7.1",
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@@ -2488,16 +2355,6 @@
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-      "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==",
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.0.tgz",
+      "integrity": "sha512-BmndXUtiTn/VDDrJzQE7Mm22Ix3PxgLltW9bSNLoeCY31gnG2OPx0QqJnuc9oMIKioYrz487i6K9o4Pdn0j+Kg==",
       "dev": true
     },
     "tsutils": {
diff --git a/package.json b/package.json
index 50a2b19..ee7eecf 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,6 @@
     "@typescript-eslint/eslint-plugin": "2.19.0",
     "@typescript-eslint/parser": "2.19.0",
     "eslint": "6.8.0",
-    "eslint-plugin-import": "2.20.1",
     "markdownlint-cli": "0.21.0",
     "npm-check-updates": "4.0.1",
     "npm-run-all": "4.1.5",