diff --git a/package-lock.json b/package-lock.json
index 9fad0ba..fefb42f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,7 +24,7 @@
         "@rollup/plugin-babel": "^6.0.4",
         "@rollup/plugin-commonjs": "^29.0.0",
         "@rollup/plugin-terser": "^0.4.4",
-        "c8": "^8.0.0",
+        "c8": "^10.1.3",
         "chai": "^5.1.0",
         "jsdoc-to-markdown": "^9.1.3",
         "mocha": "^11.7.5",
@@ -35,7 +35,7 @@
         "standard": "17.1.2"
       },
       "engines": {
-        "node": ">= 14.x"
+        "node": ">= 18.x"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -1565,10 +1565,14 @@
       }
     },
     "node_modules/@bcoe/v8-coverage": {
-      "version": "0.2.3",
-      "resolved": "https://registry.npmjs.org/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz",
-      "integrity": "sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==",
-      "dev": true
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@bcoe/v8-coverage/-/v8-coverage-1.0.2.tgz",
+      "integrity": "sha512-6zABk/ECA/QYSCQ1NGiVwwbQerUCZ+TQbp64Q3AgmfNvurHH0j8TtXa1qbShXA6qqkpAj4V5W8pP6mLe1mcMqA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
     },
     "node_modules/@eslint-community/eslint-utils": {
       "version": "4.4.0",
@@ -1828,6 +1832,7 @@
       "resolved": "https://registry.npmjs.org/@istanbuljs/schema/-/schema-0.1.3.tgz",
       "integrity": "sha512-ZXRY4jNvVgSVQ8DL3LTcakaAtXwTVUxE81hslsyD2AtoXW/wVob10HkOJ1X/pAlcI7D+2YoZKg5do8G/w6RYgA==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=8"
       }
@@ -2061,9 +2066,9 @@
       }
     },
     "node_modules/@rollup/rollup-android-arm-eabi": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.53.3.tgz",
-      "integrity": "sha512-mRSi+4cBjrRLoaal2PnqH82Wqyb+d3HsPUN/W+WslCXsZsyHa9ZeQQX/pQsZaVIWDkPcpV6jJ+3KLbTbgnwv8w==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.53.5.tgz",
+      "integrity": "sha512-iDGS/h7D8t7tvZ1t6+WPK04KD0MwzLZrG0se1hzBjSi5fyxlsiggoJHwh18PCFNn7tG43OWb6pdZ6Y+rMlmyNQ==",
       "cpu": [
         "arm"
       ],
@@ -2075,9 +2080,9 @@
       ]
     },
     "node_modules/@rollup/rollup-android-arm64": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm64/-/rollup-android-arm64-4.53.3.tgz",
-      "integrity": "sha512-CbDGaMpdE9sh7sCmTrTUyllhrg65t6SwhjlMJsLr+J8YjFuPmCEjbBSx4Z/e4SmDyH3aB5hGaJUP2ltV/vcs4w==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm64/-/rollup-android-arm64-4.53.5.tgz",
+      "integrity": "sha512-wrSAViWvZHBMMlWk6EJhvg8/rjxzyEhEdgfMMjREHEq11EtJ6IP6yfcCH57YAEca2Oe3FNCE9DSTgU70EIGmVw==",
       "cpu": [
         "arm64"
       ],
@@ -2089,9 +2094,9 @@
       ]
     },
     "node_modules/@rollup/rollup-darwin-arm64": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.53.3.tgz",
-      "integrity": "sha512-Nr7SlQeqIBpOV6BHHGZgYBuSdanCXuw09hon14MGOLGmXAFYjx1wNvquVPmpZnl0tLjg25dEdr4IQ6GgyToCUA==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.53.5.tgz",
+      "integrity": "sha512-S87zZPBmRO6u1YXQLwpveZm4JfPpAa6oHBX7/ghSiGH3rz/KDgAu1rKdGutV+WUI6tKDMbaBJomhnT30Y2t4VQ==",
       "cpu": [
         "arm64"
       ],
@@ -2103,9 +2108,9 @@
       ]
     },
     "node_modules/@rollup/rollup-darwin-x64": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.53.3.tgz",
-      "integrity": "sha512-DZ8N4CSNfl965CmPktJ8oBnfYr3F8dTTNBQkRlffnUarJ2ohudQD17sZBa097J8xhQ26AwhHJ5mvUyQW8ddTsQ==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.53.5.tgz",
+      "integrity": "sha512-YTbnsAaHo6VrAczISxgpTva8EkfQus0VPEVJCEaboHtZRIb6h6j0BNxRBOwnDciFTZLDPW5r+ZBmhL/+YpTZgA==",
       "cpu": [
         "x64"
       ],
@@ -2117,9 +2122,9 @@
       ]
     },
     "node_modules/@rollup/rollup-freebsd-arm64": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-freebsd-arm64/-/rollup-freebsd-arm64-4.53.3.tgz",
-      "integrity": "sha512-yMTrCrK92aGyi7GuDNtGn2sNW+Gdb4vErx4t3Gv/Tr+1zRb8ax4z8GWVRfr3Jw8zJWvpGHNpss3vVlbF58DZ4w==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-freebsd-arm64/-/rollup-freebsd-arm64-4.53.5.tgz",
+      "integrity": "sha512-1T8eY2J8rKJWzaznV7zedfdhD1BqVs1iqILhmHDq/bqCUZsrMt+j8VCTHhP0vdfbHK3e1IQ7VYx3jlKqwlf+vw==",
       "cpu": [
         "arm64"
       ],
@@ -2131,9 +2136,9 @@
       ]
     },
     "node_modules/@rollup/rollup-freebsd-x64": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-freebsd-x64/-/rollup-freebsd-x64-4.53.3.tgz",
-      "integrity": "sha512-lMfF8X7QhdQzseM6XaX0vbno2m3hlyZFhwcndRMw8fbAGUGL3WFMBdK0hbUBIUYcEcMhVLr1SIamDeuLBnXS+Q==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-freebsd-x64/-/rollup-freebsd-x64-4.53.5.tgz",
+      "integrity": "sha512-sHTiuXyBJApxRn+VFMaw1U+Qsz4kcNlxQ742snICYPrY+DDL8/ZbaC4DVIB7vgZmp3jiDaKA0WpBdP0aqPJoBQ==",
       "cpu": [
         "x64"
       ],
@@ -2145,9 +2150,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-arm-gnueabihf": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-gnueabihf/-/rollup-linux-arm-gnueabihf-4.53.3.tgz",
-      "integrity": "sha512-k9oD15soC/Ln6d2Wv/JOFPzZXIAIFLp6B+i14KhxAfnq76ajt0EhYc5YPeX6W1xJkAdItcVT+JhKl1QZh44/qw==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-gnueabihf/-/rollup-linux-arm-gnueabihf-4.53.5.tgz",
+      "integrity": "sha512-dV3T9MyAf0w8zPVLVBptVlzaXxka6xg1f16VAQmjg+4KMSTWDvhimI/Y6mp8oHwNrmnmVl9XxJ/w/mO4uIQONA==",
       "cpu": [
         "arm"
       ],
@@ -2159,9 +2164,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-arm-musleabihf": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-musleabihf/-/rollup-linux-arm-musleabihf-4.53.3.tgz",
-      "integrity": "sha512-vTNlKq+N6CK/8UktsrFuc+/7NlEYVxgaEgRXVUVK258Z5ymho29skzW1sutgYjqNnquGwVUObAaxae8rZ6YMhg==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-musleabihf/-/rollup-linux-arm-musleabihf-4.53.5.tgz",
+      "integrity": "sha512-wIGYC1x/hyjP+KAu9+ewDI+fi5XSNiUi9Bvg6KGAh2TsNMA3tSEs+Sh6jJ/r4BV/bx/CyWu2ue9kDnIdRyafcQ==",
       "cpu": [
         "arm"
       ],
@@ -2173,9 +2178,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-arm64-gnu": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-gnu/-/rollup-linux-arm64-gnu-4.53.3.tgz",
-      "integrity": "sha512-RGrFLWgMhSxRs/EWJMIFM1O5Mzuz3Xy3/mnxJp/5cVhZ2XoCAxJnmNsEyeMJtpK+wu0FJFWz+QF4mjCA7AUQ3w==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-gnu/-/rollup-linux-arm64-gnu-4.53.5.tgz",
+      "integrity": "sha512-Y+qVA0D9d0y2FRNiG9oM3Hut/DgODZbU9I8pLLPwAsU0tUKZ49cyV1tzmB/qRbSzGvY8lpgGkJuMyuhH7Ma+Vg==",
       "cpu": [
         "arm64"
       ],
@@ -2187,9 +2192,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-arm64-musl": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-musl/-/rollup-linux-arm64-musl-4.53.3.tgz",
-      "integrity": "sha512-kASyvfBEWYPEwe0Qv4nfu6pNkITLTb32p4yTgzFCocHnJLAHs+9LjUu9ONIhvfT/5lv4YS5muBHyuV84epBo/A==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-musl/-/rollup-linux-arm64-musl-4.53.5.tgz",
+      "integrity": "sha512-juaC4bEgJsyFVfqhtGLz8mbopaWD+WeSOYr5E16y+1of6KQjc0BpwZLuxkClqY1i8sco+MdyoXPNiCkQou09+g==",
       "cpu": [
         "arm64"
       ],
@@ -2201,9 +2206,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-loong64-gnu": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-loong64-gnu/-/rollup-linux-loong64-gnu-4.53.3.tgz",
-      "integrity": "sha512-JiuKcp2teLJwQ7vkJ95EwESWkNRFJD7TQgYmCnrPtlu50b4XvT5MOmurWNrCj3IFdyjBQ5p9vnrX4JM6I8OE7g==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-loong64-gnu/-/rollup-linux-loong64-gnu-4.53.5.tgz",
+      "integrity": "sha512-rIEC0hZ17A42iXtHX+EPJVL/CakHo+tT7W0pbzdAGuWOt2jxDFh7A/lRhsNHBcqL4T36+UiAgwO8pbmn3dE8wA==",
       "cpu": [
         "loong64"
       ],
@@ -2215,9 +2220,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-ppc64-gnu": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-ppc64-gnu/-/rollup-linux-ppc64-gnu-4.53.3.tgz",
-      "integrity": "sha512-EoGSa8nd6d3T7zLuqdojxC20oBfNT8nexBbB/rkxgKj5T5vhpAQKKnD+h3UkoMuTyXkP5jTjK/ccNRmQrPNDuw==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-ppc64-gnu/-/rollup-linux-ppc64-gnu-4.53.5.tgz",
+      "integrity": "sha512-T7l409NhUE552RcAOcmJHj3xyZ2h7vMWzcwQI0hvn5tqHh3oSoclf9WgTl+0QqffWFG8MEVZZP1/OBglKZx52Q==",
       "cpu": [
         "ppc64"
       ],
@@ -2229,9 +2234,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-riscv64-gnu": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-riscv64-gnu/-/rollup-linux-riscv64-gnu-4.53.3.tgz",
-      "integrity": "sha512-4s+Wped2IHXHPnAEbIB0YWBv7SDohqxobiiPA1FIWZpX+w9o2i4LezzH/NkFUl8LRci/8udci6cLq+jJQlh+0g==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-riscv64-gnu/-/rollup-linux-riscv64-gnu-4.53.5.tgz",
+      "integrity": "sha512-7OK5/GhxbnrMcxIFoYfhV/TkknarkYC1hqUw1wU2xUN3TVRLNT5FmBv4KkheSG2xZ6IEbRAhTooTV2+R5Tk0lQ==",
       "cpu": [
         "riscv64"
       ],
@@ -2243,9 +2248,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-riscv64-musl": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-riscv64-musl/-/rollup-linux-riscv64-musl-4.53.3.tgz",
-      "integrity": "sha512-68k2g7+0vs2u9CxDt5ktXTngsxOQkSEV/xBbwlqYcUrAVh6P9EgMZvFsnHy4SEiUl46Xf0IObWVbMvPrr2gw8A==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-riscv64-musl/-/rollup-linux-riscv64-musl-4.53.5.tgz",
+      "integrity": "sha512-GwuDBE/PsXaTa76lO5eLJTyr2k8QkPipAyOrs4V/KJufHCZBJ495VCGJol35grx9xryk4V+2zd3Ri+3v7NPh+w==",
       "cpu": [
         "riscv64"
       ],
@@ -2257,9 +2262,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-s390x-gnu": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-s390x-gnu/-/rollup-linux-s390x-gnu-4.53.3.tgz",
-      "integrity": "sha512-VYsFMpULAz87ZW6BVYw3I6sWesGpsP9OPcyKe8ofdg9LHxSbRMd7zrVrr5xi/3kMZtpWL/wC+UIJWJYVX5uTKg==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-s390x-gnu/-/rollup-linux-s390x-gnu-4.53.5.tgz",
+      "integrity": "sha512-IAE1Ziyr1qNfnmiQLHBURAD+eh/zH1pIeJjeShleII7Vj8kyEm2PF77o+lf3WTHDpNJcu4IXJxNO0Zluro8bOw==",
       "cpu": [
         "s390x"
       ],
@@ -2271,9 +2276,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-x64-gnu": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-gnu/-/rollup-linux-x64-gnu-4.53.3.tgz",
-      "integrity": "sha512-3EhFi1FU6YL8HTUJZ51imGJWEX//ajQPfqWLI3BQq4TlvHy4X0MOr5q3D2Zof/ka0d5FNdPwZXm3Yyib/UEd+w==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-gnu/-/rollup-linux-x64-gnu-4.53.5.tgz",
+      "integrity": "sha512-Pg6E+oP7GvZ4XwgRJBuSXZjcqpIW3yCBhK4BcsANvb47qMvAbCjR6E+1a/U2WXz1JJxp9/4Dno3/iSJLcm5auw==",
       "cpu": [
         "x64"
       ],
@@ -2285,9 +2290,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-x64-musl": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-musl/-/rollup-linux-x64-musl-4.53.3.tgz",
-      "integrity": "sha512-eoROhjcc6HbZCJr+tvVT8X4fW3/5g/WkGvvmwz/88sDtSJzO7r/blvoBDgISDiCjDRZmHpwud7h+6Q9JxFwq1Q==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-x64-musl/-/rollup-linux-x64-musl-4.53.5.tgz",
+      "integrity": "sha512-txGtluxDKTxaMDzUduGP0wdfng24y1rygUMnmlUJ88fzCCULCLn7oE5kb2+tRB+MWq1QDZT6ObT5RrR8HFRKqg==",
       "cpu": [
         "x64"
       ],
@@ -2299,9 +2304,9 @@
       ]
     },
     "node_modules/@rollup/rollup-openharmony-arm64": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-openharmony-arm64/-/rollup-openharmony-arm64-4.53.3.tgz",
-      "integrity": "sha512-OueLAWgrNSPGAdUdIjSWXw+u/02BRTcnfw9PN41D2vq/JSEPnJnVuBgw18VkN8wcd4fjUs+jFHVM4t9+kBSNLw==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-openharmony-arm64/-/rollup-openharmony-arm64-4.53.5.tgz",
+      "integrity": "sha512-3DFiLPnTxiOQV993fMc+KO8zXHTcIjgaInrqlG8zDp1TlhYl6WgrOHuJkJQ6M8zHEcntSJsUp1XFZSY8C1DYbg==",
       "cpu": [
         "arm64"
       ],
@@ -2313,9 +2318,9 @@
       ]
     },
     "node_modules/@rollup/rollup-win32-arm64-msvc": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-arm64-msvc/-/rollup-win32-arm64-msvc-4.53.3.tgz",
-      "integrity": "sha512-GOFuKpsxR/whszbF/bzydebLiXIHSgsEUp6M0JI8dWvi+fFa1TD6YQa4aSZHtpmh2/uAlj/Dy+nmby3TJ3pkTw==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-arm64-msvc/-/rollup-win32-arm64-msvc-4.53.5.tgz",
+      "integrity": "sha512-nggc/wPpNTgjGg75hu+Q/3i32R00Lq1B6N1DO7MCU340MRKL3WZJMjA9U4K4gzy3dkZPXm9E1Nc81FItBVGRlA==",
       "cpu": [
         "arm64"
       ],
@@ -2327,9 +2332,9 @@
       ]
     },
     "node_modules/@rollup/rollup-win32-ia32-msvc": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-ia32-msvc/-/rollup-win32-ia32-msvc-4.53.3.tgz",
-      "integrity": "sha512-iah+THLcBJdpfZ1TstDFbKNznlzoxa8fmnFYK4V67HvmuNYkVdAywJSoteUszvBQ9/HqN2+9AZghbajMsFT+oA==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-ia32-msvc/-/rollup-win32-ia32-msvc-4.53.5.tgz",
+      "integrity": "sha512-U/54pTbdQpPLBdEzCT6NBCFAfSZMvmjr0twhnD9f4EIvlm9wy3jjQ38yQj1AGznrNO65EWQMgm/QUjuIVrYF9w==",
       "cpu": [
         "ia32"
       ],
@@ -2341,9 +2346,9 @@
       ]
     },
     "node_modules/@rollup/rollup-win32-x64-gnu": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-x64-gnu/-/rollup-win32-x64-gnu-4.53.3.tgz",
-      "integrity": "sha512-J9QDiOIZlZLdcot5NXEepDkstocktoVjkaKUtqzgzpt2yWjGlbYiKyp05rWwk4nypbYUNoFAztEgixoLaSETkg==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-x64-gnu/-/rollup-win32-x64-gnu-4.53.5.tgz",
+      "integrity": "sha512-2NqKgZSuLH9SXBBV2dWNRCZmocgSOx8OJSdpRaEcRlIfX8YrKxUT6z0F1NpvDVhOsl190UFTRh2F2WDWWCYp3A==",
       "cpu": [
         "x64"
       ],
@@ -2355,9 +2360,9 @@
       ]
     },
     "node_modules/@rollup/rollup-win32-x64-msvc": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-x64-msvc/-/rollup-win32-x64-msvc-4.53.3.tgz",
-      "integrity": "sha512-UhTd8u31dXadv0MopwGgNOBpUVROFKWVQgAg5N1ESyCz8AuBcMqm4AuTjrwgQKGDfoFuz02EuMRHQIw/frmYKQ==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-win32-x64-msvc/-/rollup-win32-x64-msvc-4.53.5.tgz",
+      "integrity": "sha512-JRpZUhCfhZ4keB5v0fe02gQJy05GqboPOaxvjugW04RLSYYoB/9t2lx2u/tMs/Na/1NXfY8QYjgRljRpN+MjTQ==",
       "cpu": [
         "x64"
       ],
@@ -2919,20 +2924,20 @@
       "dev": true
     },
     "node_modules/c8": {
-      "version": "8.0.1",
-      "resolved": "https://registry.npmjs.org/c8/-/c8-8.0.1.tgz",
-      "integrity": "sha512-EINpopxZNH1mETuI0DzRA4MZpAUH+IFiRhnmFD3vFr3vdrgxqi3VfE3KL0AIL+zDq8rC9bZqwM/VDmmoe04y7w==",
+      "version": "10.1.3",
+      "resolved": "https://registry.npmjs.org/c8/-/c8-10.1.3.tgz",
+      "integrity": "sha512-LvcyrOAaOnrrlMpW22n690PUvxiq4Uf9WMhQwNJ9vgagkL/ph1+D4uvjvDA5XCbykrc0sx+ay6pVi9YZ1GnhyA==",
       "dev": true,
+      "license": "ISC",
       "dependencies": {
-        "@bcoe/v8-coverage": "^0.2.3",
+        "@bcoe/v8-coverage": "^1.0.1",
         "@istanbuljs/schema": "^0.1.3",
         "find-up": "^5.0.0",
-        "foreground-child": "^2.0.0",
+        "foreground-child": "^3.1.1",
         "istanbul-lib-coverage": "^3.2.0",
         "istanbul-lib-report": "^3.0.1",
         "istanbul-reports": "^3.1.6",
-        "rimraf": "^3.0.2",
-        "test-exclude": "^6.0.0",
+        "test-exclude": "^7.0.1",
         "v8-to-istanbul": "^9.0.0",
         "yargs": "^17.7.2",
         "yargs-parser": "^21.1.1"
@@ -2941,7 +2946,15 @@
         "c8": "bin/c8.js"
       },
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
+      },
+      "peerDependencies": {
+        "monocart-coverage-reports": "^2"
+      },
+      "peerDependenciesMeta": {
+        "monocart-coverage-reports": {
+          "optional": true
+        }
       }
     },
     "node_modules/cache-point": {
@@ -4519,16 +4532,20 @@
       }
     },
     "node_modules/foreground-child": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-2.0.0.tgz",
-      "integrity": "sha512-dCIq9FpEcyQyXKCkyzmlPTFNgrCzPudOe+mhvJU5zAtlBnGVy2yKxtfsxK2tQBThwq225jcvBjpw1Gr40uzZCA==",
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-3.3.1.tgz",
+      "integrity": "sha512-gIXjKqtFuWEgzFRJA9WCQeSJLZDjgJUOMCMzxtvFq/37KojM1BFGufqsCy0r4qSQmYLsZYMeyRqzIWOMup03sw==",
       "dev": true,
+      "license": "ISC",
       "dependencies": {
-        "cross-spawn": "^7.0.0",
-        "signal-exit": "^3.0.2"
+        "cross-spawn": "^7.0.6",
+        "signal-exit": "^4.0.1"
       },
       "engines": {
-        "node": ">=8.0.0"
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
       }
     },
     "node_modules/fs-extra": {
@@ -4709,36 +4726,6 @@
         "node": ">= 6"
       }
     },
-    "node_modules/glob/node_modules/foreground-child": {
-      "version": "3.3.1",
-      "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-3.3.1.tgz",
-      "integrity": "sha512-gIXjKqtFuWEgzFRJA9WCQeSJLZDjgJUOMCMzxtvFq/37KojM1BFGufqsCy0r4qSQmYLsZYMeyRqzIWOMup03sw==",
-      "dev": true,
-      "license": "ISC",
-      "dependencies": {
-        "cross-spawn": "^7.0.6",
-        "signal-exit": "^4.0.1"
-      },
-      "engines": {
-        "node": ">=14"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      }
-    },
-    "node_modules/glob/node_modules/signal-exit": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-4.1.0.tgz",
-      "integrity": "sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw==",
-      "dev": true,
-      "license": "ISC",
-      "engines": {
-        "node": ">=14"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      }
-    },
     "node_modules/globalthis": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/globalthis/-/globalthis-1.0.3.tgz",
@@ -6899,9 +6886,9 @@
       }
     },
     "node_modules/rollup": {
-      "version": "4.53.3",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.53.3.tgz",
-      "integrity": "sha512-w8GmOxZfBmKknvdXU1sdM9NHcoQejwF/4mNgj2JuEEdRaHwwF12K7e9eXn1nLZ07ad+du76mkVsyeb2rKGllsA==",
+      "version": "4.53.5",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.53.5.tgz",
+      "integrity": "sha512-iTNAbFSlRpcHeeWu73ywU/8KuU/LZmNCSxp6fjQkJBD3ivUb8tpDrXhIxEzA05HlYMEwmtaUnb3RP+YNv162OQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -6915,28 +6902,28 @@
         "npm": ">=8.0.0"
       },
       "optionalDependencies": {
-        "@rollup/rollup-android-arm-eabi": "4.53.3",
-        "@rollup/rollup-android-arm64": "4.53.3",
-        "@rollup/rollup-darwin-arm64": "4.53.3",
-        "@rollup/rollup-darwin-x64": "4.53.3",
-        "@rollup/rollup-freebsd-arm64": "4.53.3",
-        "@rollup/rollup-freebsd-x64": "4.53.3",
-        "@rollup/rollup-linux-arm-gnueabihf": "4.53.3",
-        "@rollup/rollup-linux-arm-musleabihf": "4.53.3",
-        "@rollup/rollup-linux-arm64-gnu": "4.53.3",
-        "@rollup/rollup-linux-arm64-musl": "4.53.3",
-        "@rollup/rollup-linux-loong64-gnu": "4.53.3",
-        "@rollup/rollup-linux-ppc64-gnu": "4.53.3",
-        "@rollup/rollup-linux-riscv64-gnu": "4.53.3",
-        "@rollup/rollup-linux-riscv64-musl": "4.53.3",
-        "@rollup/rollup-linux-s390x-gnu": "4.53.3",
-        "@rollup/rollup-linux-x64-gnu": "4.53.3",
-        "@rollup/rollup-linux-x64-musl": "4.53.3",
-        "@rollup/rollup-openharmony-arm64": "4.53.3",
-        "@rollup/rollup-win32-arm64-msvc": "4.53.3",
-        "@rollup/rollup-win32-ia32-msvc": "4.53.3",
-        "@rollup/rollup-win32-x64-gnu": "4.53.3",
-        "@rollup/rollup-win32-x64-msvc": "4.53.3",
+        "@rollup/rollup-android-arm-eabi": "4.53.5",
+        "@rollup/rollup-android-arm64": "4.53.5",
+        "@rollup/rollup-darwin-arm64": "4.53.5",
+        "@rollup/rollup-darwin-x64": "4.53.5",
+        "@rollup/rollup-freebsd-arm64": "4.53.5",
+        "@rollup/rollup-freebsd-x64": "4.53.5",
+        "@rollup/rollup-linux-arm-gnueabihf": "4.53.5",
+        "@rollup/rollup-linux-arm-musleabihf": "4.53.5",
+        "@rollup/rollup-linux-arm64-gnu": "4.53.5",
+        "@rollup/rollup-linux-arm64-musl": "4.53.5",
+        "@rollup/rollup-linux-loong64-gnu": "4.53.5",
+        "@rollup/rollup-linux-ppc64-gnu": "4.53.5",
+        "@rollup/rollup-linux-riscv64-gnu": "4.53.5",
+        "@rollup/rollup-linux-riscv64-musl": "4.53.5",
+        "@rollup/rollup-linux-s390x-gnu": "4.53.5",
+        "@rollup/rollup-linux-x64-gnu": "4.53.5",
+        "@rollup/rollup-linux-x64-musl": "4.53.5",
+        "@rollup/rollup-openharmony-arm64": "4.53.5",
+        "@rollup/rollup-win32-arm64-msvc": "4.53.5",
+        "@rollup/rollup-win32-ia32-msvc": "4.53.5",
+        "@rollup/rollup-win32-x64-gnu": "4.53.5",
+        "@rollup/rollup-win32-x64-msvc": "4.53.5",
         "fsevents": "~2.3.2"
       }
     },
@@ -7124,10 +7111,17 @@
       }
     },
     "node_modules/signal-exit": {
-      "version": "3.0.7",
-      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.7.tgz",
-      "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==",
-      "dev": true
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-4.1.0.tgz",
+      "integrity": "sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
     },
     "node_modules/sinon": {
       "version": "21.0.0",
@@ -7542,60 +7536,18 @@
       }
     },
     "node_modules/test-exclude": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-6.0.0.tgz",
-      "integrity": "sha512-cAGWPIyOHU6zlmg88jwm7VRyXnMN7iV68OGAbYDk/Mh/xC/pzVPlQtY6ngoIH/5/tciuhGfvESU8GrHrcxD56w==",
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-7.0.1.tgz",
+      "integrity": "sha512-pFYqmTw68LXVjeWJMST4+borgQP2AyMNbg1BpZh9LbyhUeNkeaPF9gzfPGUAnSMV3qPYdWUwDIjjCLiSDOl7vg==",
       "dev": true,
+      "license": "ISC",
       "dependencies": {
         "@istanbuljs/schema": "^0.1.2",
-        "glob": "^7.1.4",
-        "minimatch": "^3.0.4"
+        "glob": "^10.4.1",
+        "minimatch": "^9.0.4"
       },
       "engines": {
-        "node": ">=8"
-      }
-    },
-    "node_modules/test-exclude/node_modules/brace-expansion": {
-      "version": "1.1.12",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.12.tgz",
-      "integrity": "sha512-9T9UjW3r0UW5c1Q7GTwllptXwhvYmEzFhzMfZ9H7FQWt+uZePjZPjBP/W1ZEyZ1twGWom5/56TF4lPcqjnDHcg==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "balanced-match": "^1.0.0",
-        "concat-map": "0.0.1"
-      }
-    },
-    "node_modules/test-exclude/node_modules/glob": {
-      "version": "7.2.3",
-      "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
-      "integrity": "sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==",
-      "dev": true,
-      "dependencies": {
-        "fs.realpath": "^1.0.0",
-        "inflight": "^1.0.4",
-        "inherits": "2",
-        "minimatch": "^3.1.1",
-        "once": "^1.3.0",
-        "path-is-absolute": "^1.0.0"
-      },
-      "engines": {
-        "node": "*"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      }
-    },
-    "node_modules/test-exclude/node_modules/minimatch": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
-      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
-      "dev": true,
-      "dependencies": {
-        "brace-expansion": "^1.1.7"
-      },
-      "engines": {
-        "node": "*"
+        "node": ">=18"
       }
     },
     "node_modules/text-table": {
diff --git a/package.json b/package.json
index 6af3b02..523da5a 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "@rollup/plugin-babel": "^6.0.4",
     "@rollup/plugin-commonjs": "^29.0.0",
     "@rollup/plugin-terser": "^0.4.4",
-    "c8": "^8.0.0",
+    "c8": "^10.1.3",
     "chai": "^5.1.0",
     "jsdoc-to-markdown": "^9.1.3",
     "mocha": "^11.7.5",
@@ -73,7 +73,7 @@
     }
   ],
   "engines": {
-    "node": ">= 14.x"
+    "node": ">= 18.x"
   },
   "files": [
     "dist",
diff --git a/tests/unit.tests.js b/tests/unit.tests.js
index 7555583..8ff5dfb 100644
--- a/tests/unit.tests.js
+++ b/tests/unit.tests.js
@@ -126,14 +126,30 @@ describe('unit tests', function () {
       expect(defaultVoice).to.equal(voices[1])
     })
     it('sets a language-specific voice as default voice, if no .default is available', async () => {
-      sinon.stub(globalThis.navigator, 'language').get(() => 'de-DE')
+      let navigatorDefined = false
+      if (globalThis.navigator) {
+        sinon.stub(globalThis.navigator, 'language').get(() => 'de-DE')
+      } else {
+        Object.defineProperty(globalThis, 'navigator', {
+          value: { language: 'de-DE' },
+          configurable: true,
+          writable: true
+        })
+        navigatorDefined = true
+      }
 
-      const voices = [{}, {}, { lang: 'de-DE' }]
-      await initScope({
-        speechSynthesis: { getVoices: () => voices }
-      })
-      const { defaultVoice } = EasySpeech.status()
-      expect(defaultVoice).to.equal(voices[2])
+      try {
+        const voices = [{}, {}, { lang: 'de_DE' }]
+        await initScope({
+          speechSynthesis: { getVoices: () => voices }
+        })
+        const { defaultVoice } = EasySpeech.status()
+        expect(defaultVoice).to.equal(voices[2])
+      } finally {
+        if (navigatorDefined) {
+          delete globalThis.navigator
+        }
+      }
     })
     it('sets he first available voice as default, if no lang is available', async () => {
       const voices = [{}, {}, {}]