diff --git a/index.js b/index.js
index 83e872c..4a0b2a6 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,5 @@
 const SBTree = require('./src/types/SBTree/SBTree');
 const adapters = require('./src/adapters/index');
+const ObjectID = require('mongo-objectid')
 const utils = require('./src/utils/index');
-module.exports = {SBTree, adapters};
+module.exports = {SBTree, ObjectID, adapters};
diff --git a/package-lock.json b/package-lock.json
index 527bbe1..dbd4761 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,6 +25,16 @@
         "color-convert": "^1.9.0"
       }
     },
+    "anymatch": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.1.tgz",
+      "integrity": "sha512-mM8522psRCqzV+6LhomX5wgp25YVibjh8Wj23I5RPkPppSVSjyKD2A2mBJmWGa+KN7f2D6LNh9jkBCeyLktzjg==",
+      "dev": true,
+      "requires": {
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
+      }
+    },
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       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -46,6 +56,12 @@
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
       "dev": true
     },
+    "binary-extensions": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.0.0.tgz",
+      "integrity": "sha512-Phlt0plgpIIBOGTT/ehfFnbNlfsDEiqmzE2KRXoX1bLIlir4X/MR+zSyBEkL05ffWgnRSf/DXv+WrUAVr93/ow==",
+      "dev": true
+    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -56,6 +72,15 @@
         "concat-map": "0.0.1"
       }
     },
+    "braces": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
+      "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
+      "dev": true,
+      "requires": {
+        "fill-range": "^7.0.1"
+      }
+    },
     "browser-stdout": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.1.tgz",
@@ -105,9 +130,9 @@
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-      "resolved": "https://registry.npmjs.org/chance/-/chance-1.1.0.tgz",
-      "integrity": "sha512-DwT4HVvl1VwZ73lqEyWYtrI59iSERBDfioMhw0gMMNySLMcx7/pzy+JAam3+3WcEH4ITNzwRtuQH4Geyko70gw==",
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/chance/-/chance-1.1.5.tgz",
+      "integrity": "sha512-uBVETzUktMGLALWQ8fCJCOjNF4Gm1lRjjjuC2+z7rCjx78ioONIK7bYhGzBovhQyqOegJEl3nAJxjE7mvY6aIw==",
       "dev": true
     },
     "check-error": {
@@ -116,22 +141,60 @@
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       "dev": true
     },
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-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
-      "integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
+    "chokidar": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.3.0.tgz",
+      "integrity": "sha512-dGmKLDdT3Gdl7fBUe8XK+gAtGmzy5Fn0XkkWQuYxGIgWVPPse2CxFA5mtrlD0TOHaHjEUqkWNyP1XdHoJES/4A==",
       "dev": true,
       "requires": {
-        "string-width": "^2.1.1",
-        "strip-ansi": "^4.0.0",
-        "wrap-ansi": "^2.0.0"
+        "anymatch": "~3.1.1",
+        "braces": "~3.0.2",
+        "fsevents": "~2.1.1",
+        "glob-parent": "~5.1.0",
+        "is-binary-path": "~2.1.0",
+        "is-glob": "~4.0.1",
+        "normalize-path": "~3.0.0",
+        "readdirp": "~3.2.0"
       }
     },
-    "code-point-at": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-      "dev": true
+    "cliui": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
+      "integrity": "sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==",
+      "dev": true,
+      "requires": {
+        "string-width": "^3.1.0",
+        "strip-ansi": "^5.2.0",
+        "wrap-ansi": "^5.1.0"
+      },
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+        "ansi-regex": {
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+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
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+          "dev": true
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        }
+      }
     },
     "color-convert": {
       "version": "1.9.3",
@@ -154,19 +217,6 @@
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       "dev": true
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-      "version": "6.0.5",
-      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
-      "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
-      "dev": true,
-      "requires": {
-        "nice-try": "^1.0.4",
-        "path-key": "^2.0.1",
-        "semver": "^5.5.0",
-        "shebang-command": "^1.2.0",
-        "which": "^1.2.9"
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       "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
@@ -212,33 +262,29 @@
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       "dev": true
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-    "end-of-stream": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz",
-      "integrity": "sha512-1MkrZNvWTKCaigbn+W15elq2BB/L22nqrSY5DKlo3X6+vclJm8Bb5djXJBmEX6fS3+zCh/F4VBK5Z2KxJt4s2Q==",
-      "dev": true,
-      "requires": {
-        "once": "^1.4.0"
-      }
-    },
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-      "version": "1.13.0",
-      "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.13.0.tgz",
-      "integrity": "sha512-vDZfg/ykNxQVwup/8E1BZhVzFfBxs9NqMzGcvIJrqg5k2/5Za2bWo40dK2J1pgLngZ7c+Shh8lwYtLGyrwPutg==",
+      "version": "1.17.5",
+      "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.17.5.tgz",
+      "integrity": "sha512-BR9auzDbySxOcfog0tLECW8l28eRGpDpU3Dm3Hp4q/N+VtLTmyj4EUN088XZWQDW/hzj6sYRDXeOFsaAODKvpg==",
       "dev": true,
       "requires": {
-        "es-to-primitive": "^1.2.0",
+        "es-to-primitive": "^1.2.1",
         "function-bind": "^1.1.1",
         "has": "^1.0.3",
-        "is-callable": "^1.1.4",
-        "is-regex": "^1.0.4",
-        "object-keys": "^1.0.12"
+        "has-symbols": "^1.0.1",
+        "is-callable": "^1.1.5",
+        "is-regex": "^1.0.5",
+        "object-inspect": "^1.7.0",
+        "object-keys": "^1.1.1",
+        "object.assign": "^4.1.0",
+        "string.prototype.trimleft": "^2.1.1",
+        "string.prototype.trimright": "^2.1.1"
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     "es-to-primitive": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.2.0.tgz",
-      "integrity": "sha512-qZryBOJjV//LaxLTV6UC//WewneB3LcXOL9NP++ozKVXsIIIpm/2c13UDiD9Jp2eThsecw9m3jPqDwTyobcdbg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.2.1.tgz",
+      "integrity": "sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==",
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@@ -258,19 +304,13 @@
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       "dev": true
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-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
-      "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
+    "fill-range": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
+      "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
       "dev": true,
       "requires": {
-        "cross-spawn": "^6.0.0",
-        "get-stream": "^4.0.0",
-        "is-stream": "^1.1.0",
-        "npm-run-path": "^2.0.0",
-        "p-finally": "^1.0.0",
-        "signal-exit": "^3.0.0",
-        "strip-eof": "^1.0.0"
+        "to-regex-range": "^5.0.1"
       }
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     "find-up": {
@@ -297,10 +337,17 @@
       "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
       "dev": true
     },
+    "fsevents": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.1.3.tgz",
+      "integrity": "sha512-Auw9a4AxqWpa9GUfj370BMPzzyncfBABW8Mab7BGWBYDj4Isgq+cDKtx0i6u9jcX9pQDnswsaaOTgTmA5pEjuQ==",
+      "dev": true,
+      "optional": true
+    },
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-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/fslockjs/-/fslockjs-1.3.0.tgz",
-      "integrity": "sha512-8ZOzHGhKJl4IprLhq4oUJUuXMgXSsX1tD3ZcVljGMGaxNYRLi4+DWR5c8Hv6OnYN86bzhs2u412odYxsyUqGyg=="
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/fslockjs/-/fslockjs-2.0.1.tgz",
+      "integrity": "sha512-NlFMtpUjMTnyPlgXWQsj348kNlbIpKIMUMgUy3TeUU9L8pL4e718VeSPnTA03gEPrHUmCbvx42C/5/gBrAbaRQ=="
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@@ -320,15 +367,6 @@
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-      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
-      "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
-      "dev": true,
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@@ -343,6 +381,15 @@
         "path-is-absolute": "^1.0.0"
       }
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+    "glob-parent": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.1.tgz",
+      "integrity": "sha512-FnI+VGOpnlGHWZxthPGR+QhR78fuiK0sNLkHQv+bL9fQi57lNNdquIbna/WrfROrolq8GK5Ek6BiMwqL/voRYQ==",
+      "dev": true,
+      "requires": {
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+      }
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@@ -365,9 +412,9 @@
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-      "integrity": "sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q=",
+      "version": "1.0.1",
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@@ -392,28 +439,37 @@
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-      "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-2.0.0.tgz",
-      "integrity": "sha512-wPVv/y/QQ/Uiirj/vh3oP+1Ww+AWehmi1g5fFWGPF6IpCBCDVrhgHRMvrLfdYcwDh3QJbGXDW4JAuzxElLSqKA==",
-      "dev": true
+    "is-binary-path": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
+      "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
+      "dev": true,
+      "requires": {
+        "binary-extensions": "^2.0.0"
+      }
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     "is-buffer": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.3.tgz",
-      "integrity": "sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw==",
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.4.tgz",
+      "integrity": "sha512-Kq1rokWXOPXWuaMAqZiJW4XxsmD9zGx9q4aePabbn3qCRGedtH7Cm+zV8WETitMfu1wdh+Rvd6w5egwSngUX2A==",
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-      "resolved": "https://registry.npmjs.org/is-date-object/-/is-date-object-1.0.1.tgz",
-      "integrity": "sha1-mqIOtq7rv/d/vTPnTKAbM1gdOhY=",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-date-object/-/is-date-object-1.0.2.tgz",
+      "integrity": "sha512-USlDT524woQ08aoZFzh3/Z6ch9Y/EWXEHQ/AaRN0SkKq4t2Jw2R2339tSXmwuVoY7LLlBCbOIlx2myP/L5zk0g==",
+      "dev": true
+    },
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@@ -422,28 +478,37 @@
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-      "integrity": "sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=",
+    "is-glob": {
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       "dev": true,
       "requires": {
-        "has": "^1.0.1"
+        "is-extglob": "^2.1.1"
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-    "is-stream": {
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-      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-1.1.0.tgz",
-      "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ=",
+    "is-number": {
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-      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
-      "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
+      "integrity": "sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==",
       "dev": true,
       "requires": {
-        "string-width": "^1.0.1",
-        "strip-ansi": "^3.0.1"
+        "ansi-styles": "^3.2.0",
+        "string-width": "^3.0.0",
+        "strip-ansi": "^5.0.0"
       },
       "dependencies": {
         "ansi-regex": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
           "dev": true
         },
-        "is-fullwidth-code-point": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
-          "dev": true,
-          "requires": {
-            "number-is-nan": "^1.0.0"
-          }
-        },
         "string-width": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
           "dev": true,
           "requires": {
-            "code-point-at": "^1.0.0",
-            "is-fullwidth-code-point": "^1.0.0",
-            "strip-ansi": "^3.0.0"
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
           }
         },
         "strip-ansi": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
           "dev": true,
           "requires": {
-            "ansi-regex": "^2.0.0"
+            "ansi-regex": "^4.1.0"
           }
         }
       }
@@ -923,22 +931,21 @@
       "dev": true
     },
     "yargs": {
-      "version": "13.2.2",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.2.2.tgz",
-      "integrity": "sha512-WyEoxgyTD3w5XRpAQNYUB9ycVH/PQrToaTXdYXRdOXvEy1l19br+VJsc0vcO8PTGg5ro/l/GY7F/JMEBmI0BxA==",
+      "version": "13.3.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
+      "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
       "dev": true,
       "requires": {
-        "cliui": "^4.0.0",
+        "cliui": "^5.0.0",
         "find-up": "^3.0.0",
         "get-caller-file": "^2.0.1",
-        "os-locale": "^3.1.0",
         "require-directory": "^2.1.1",
         "require-main-filename": "^2.0.0",
         "set-blocking": "^2.0.0",
         "string-width": "^3.0.0",
         "which-module": "^2.0.0",
         "y18n": "^4.0.0",
-        "yargs-parser": "^13.0.0"
+        "yargs-parser": "^13.1.2"
       },
       "dependencies": {
         "ansi-regex": {
@@ -970,9 +977,9 @@
       }
     },
     "yargs-parser": {
-      "version": "13.0.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.0.0.tgz",
-      "integrity": "sha512-w2LXjoL8oRdRQN+hOyppuXs+V/fVAYtpcrRxZuF7Kt/Oc+Jr2uAcVntaUTNT6w5ihoWfFDpNY8CPx1QskxZ/pw==",
+      "version": "13.1.2",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
+      "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
       "dev": true,
       "requires": {
         "camelcase": "^5.0.0",
@@ -980,58 +987,14 @@
       }
     },
     "yargs-unparser": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.5.0.tgz",
-      "integrity": "sha512-HK25qidFTCVuj/D1VfNiEndpLIeJN78aqgR23nL3y4N0U/91cOAzqfHlF8n2BvoNDcZmJKin3ddNSvOxSr8flw==",
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.6.0.tgz",
+      "integrity": "sha512-W9tKgmSn0DpSatfri0nx52Joq5hVXgeLiqR/5G0sZNDoLZFOr/xjBUDcShCOGNsBnEMNo1KAMBkTej1Hm62HTw==",
       "dev": true,
       "requires": {
         "flat": "^4.1.0",
-        "lodash": "^4.17.11",
-        "yargs": "^12.0.5"
-      },
-      "dependencies": {
-        "get-caller-file": {
-          "version": "1.0.3",
-          "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
-          "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==",
-          "dev": true
-        },
-        "require-main-filename": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
-          "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=",
-          "dev": true
-        },
-        "yargs": {
-          "version": "12.0.5",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-          "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
-          "dev": true,
-          "requires": {
-            "cliui": "^4.0.0",
-            "decamelize": "^1.2.0",
-            "find-up": "^3.0.0",
-            "get-caller-file": "^1.0.1",
-            "os-locale": "^3.0.0",
-            "require-directory": "^2.1.1",
-            "require-main-filename": "^1.0.1",
-            "set-blocking": "^2.0.0",
-            "string-width": "^2.0.0",
-            "which-module": "^2.0.0",
-            "y18n": "^3.2.1 || ^4.0.0",
-            "yargs-parser": "^11.1.1"
-          }
-        },
-        "yargs-parser": {
-          "version": "11.1.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-          "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
-          "dev": true,
-          "requires": {
-            "camelcase": "^5.0.0",
-            "decamelize": "^1.2.0"
-          }
-        }
+        "lodash": "^4.17.15",
+        "yargs": "^13.3.0"
       }
     }
   }
diff --git a/package.json b/package.json
index 0f447f0..3748849 100644
--- a/package.json
+++ b/package.json
@@ -36,12 +36,12 @@
   "homepage": "https://github.com/Alex-Werner/SBTree#readme",
   "devDependencies": {
     "chai": "^4.2.0",
-    "chance": "^1.1.0",
-    "mocha": "^6.2.0"
+    "chance": "^1.1.5",
+    "mocha": "^7.1.2"
   },
   "dependencies": {
-    "fslockjs": "^1.3.0",
+    "fslockjs": "^2.0.1",
     "lodash": "^4.17.15",
-    "mongo-objectid": "^1.1.0"
+    "mongo-objectid": "^1.2.1"
   }
 }
diff --git a/test/unit/index.js b/test/unit/index.js
new file mode 100644
index 0000000..7b76437
--- /dev/null
+++ b/test/unit/index.js
@@ -0,0 +1,12 @@
+const {expect} = require('chai');
+const index = require('../../index');
+
+describe('SBTree', () => {
+  it('should work', function () {
+    expect(index).to.have.property('SBTree');
+    expect(index).to.have.property('ObjectID');
+    expect(index).to.have.property('adapters');
+    expect(index.adapters).to.have.property('FsAdapter');
+    expect(index.adapters).to.have.property('MemoryAdapter');
+  });
+});