[
  "external-helpers",
  "syntax-async-generators",
  "syntax-class-properties",
  "syntax-class-static-block",
  "syntax-decimal",
  "syntax-decorators",
  "syntax-do-expressions",
  "syntax-export-default-from",
  "syntax-flow",
  "syntax-function-bind",
  "syntax-function-sent",
  "syntax-import-meta",
  "syntax-jsx",
  "syntax-import-assertions",
  "syntax-object-rest-spread",
  "syntax-optional-catch-binding",
  "syntax-pipeline-operator",
  "syntax-record-and-tuple",
  "syntax-top-level-await",
  "syntax-typescript",
  "proposal-async-generator-functions",
  "proposal-class-properties",
  "proposal-class-static-block",
  "proposal-decorators",
  "proposal-do-expressions",
  "proposal-dynamic-import",
  "proposal-export-default-from",
  "proposal-export-namespace-from",
  "proposal-function-bind",
  "proposal-function-sent",
  "proposal-json-strings",
  "proposal-logical-assignment-operators",
  "proposal-nullish-coalescing-operator",
  "proposal-numeric-separator",
  "proposal-object-rest-spread",
  "proposal-optional-catch-binding",
  "proposal-optional-chaining",
  "proposal-pipeline-operator",
  "proposal-private-methods",
  "proposal-private-property-in-object",
  "proposal-throw-expressions",
  "proposal-unicode-property-regex",
  "transform-async-to-generator",
  "transform-arrow-functions",
  "transform-block-scoped-functions",
  "transform-block-scoping",
  "transform-classes",
  "transform-computed-properties",
  "transform-destructuring",
  "transform-dotall-regex",
  "transform-duplicate-keys",
  "transform-exponentiation-operator",
  "transform-flow-comments",
  "transform-flow-strip-types",
  "transform-for-of",
  "transform-function-name",
  "transform-instanceof",
  "transform-jscript",
  "transform-literals",
  "transform-member-expression-literals",
  "transform-modules-amd",
  "transform-modules-commonjs",
  "transform-modules-systemjs",
  "transform-modules-umd",
  "transform-named-capturing-groups-regex",
  "transform-new-target",
  "transform-object-assign",
  "transform-object-super",
  "transform-object-set-prototype-of-to-assign",
  "transform-parameters",
  "transform-property-literals",
  "transform-property-mutators",
  "transform-proto-to-assign",
  "transform-react-constant-elements",
  "transform-react-display-name",
  "transform-react-inline-elements",
  "transform-react-jsx",
  "transform-react-jsx-compat",
  "transform-react-jsx-development",
  "transform-react-jsx-self",
  "transform-react-jsx-source",
  "transform-regenerator",
  "transform-reserved-words",
  "transform-runtime",
  "transform-shorthand-properties",
  "transform-spread",
  "transform-sticky-regex",
  "transform-strict-mode",
  "transform-template-literals",
  "transform-typeof-symbol",
  "transform-typescript",
  "transform-unicode-escapes",
  "transform-unicode-regex"
]