{ "$comment": "Curated enum overlay for the AWS lexicon (chant #1497). Hand-maintained, merged over the CloudFormation Registry spec at codegen time by src/codegen/enum-overlay.ts. Refresh the botocore-sourced entries with `npx tsx lexicons/aws/scripts/refresh-enum-overlay.ts`.", "entries": [ { "type": "AWS::Lambda::Function", "pointer": "/properties/Runtime", "enumName": "Runtime", "note": "32 occurrences across 23 corpus files, the most-written bare-string enum in the lexicon.", "source": { "kind": "botocore", "service": "lambda", "apiVersion": "2015-03-31", "shape": "Runtime" }, "reviewed": "2026-09-06", "values": [ "dotnet10", "dotnet6", "dotnet8", "dotnetcore1.0", "dotnetcore2.0", "dotnetcore2.1", "dotnetcore3.1", "go1.x", "java11", "java11.al2023", "java17", "java17.al2023", "java21", "java25", "java8", "java8.al2", "java8.al2023", "nodejs", "nodejs10.x", "nodejs12.x", "nodejs14.x", "nodejs16.x", "nodejs18.x", "nodejs20.x", "nodejs22.x", "nodejs24.x", "nodejs26.x", "nodejs4.3", "nodejs4.3-edge", "nodejs6.10", "nodejs8.10", "provided", "provided.al2", "provided.al2023", "python2.7", "python3.10", "python3.11", "python3.12", "python3.13", "python3.14", "python3.15", "python3.6", "python3.7", "python3.8", "python3.9", "ruby2.5", "ruby2.7", "ruby3.2", "ruby3.3", "ruby3.4", "ruby4.0" ] }, { "type": "AWS::EC2::Instance", "pointer": "/properties/InstanceType", "enumName": "InstanceType", "note": "The property issue #1497 opens with: SageMaker's InstanceType is a union and EC2's is a string.", "source": { "kind": "botocore", "service": "ec2", "apiVersion": "2016-11-15", "shape": "InstanceType" }, "reviewed": "2026-09-06", "values": [ "a1.2xlarge", "a1.4xlarge", "a1.large", "a1.medium", "a1.metal", "a1.xlarge", "c1.medium", "c1.xlarge", "c3.2xlarge", "c3.4xlarge", "c3.8xlarge", "c3.large", "c3.xlarge", "c4.2xlarge", "c4.4xlarge", "c4.8xlarge", "c4.large", "c4.xlarge", "c5.12xlarge", "c5.18xlarge", "c5.24xlarge", "c5.2xlarge", "c5.4xlarge", "c5.9xlarge", "c5.large", "c5.metal", "c5.xlarge", "c5a.12xlarge", "c5a.16xlarge", "c5a.24xlarge", "c5a.2xlarge", "c5a.4xlarge", "c5a.8xlarge", "c5a.large", "c5a.xlarge", "c5ad.12xlarge", "c5ad.16xlarge", "c5ad.24xlarge", "c5ad.2xlarge", "c5ad.4xlarge", "c5ad.8xlarge", "c5ad.large", "c5ad.xlarge", "c5d.12xlarge", "c5d.18xlarge", "c5d.24xlarge", "c5d.2xlarge", "c5d.4xlarge", "c5d.9xlarge", "c5d.large", "c5d.metal", "c5d.xlarge", "c5n.18xlarge", "c5n.2xlarge", "c5n.4xlarge", "c5n.9xlarge", "c5n.large", "c5n.metal", "c5n.xlarge", "c6a.12xlarge", "c6a.16xlarge", "c6a.24xlarge", "c6a.2xlarge", "c6a.32xlarge", "c6a.48xlarge", "c6a.4xlarge", "c6a.8xlarge", "c6a.large", "c6a.metal", "c6a.xlarge", "c6g.12xlarge", "c6g.16xlarge", "c6g.2xlarge", "c6g.4xlarge", "c6g.8xlarge", "c6g.large", "c6g.medium", "c6g.metal", "c6g.xlarge", "c6gd.12xlarge", "c6gd.16xlarge", "c6gd.2xlarge", "c6gd.4xlarge", "c6gd.8xlarge", "c6gd.large", "c6gd.medium", "c6gd.metal", "c6gd.xlarge", "c6gn.12xlarge", "c6gn.16xlarge", "c6gn.2xlarge", "c6gn.4xlarge", "c6gn.8xlarge", "c6gn.large", "c6gn.medium", "c6gn.xlarge", "c6i.12xlarge", "c6i.16xlarge", "c6i.24xlarge", "c6i.2xlarge", "c6i.32xlarge", "c6i.4xlarge", "c6i.8xlarge", "c6i.large", "c6i.metal", "c6i.xlarge", "c6id.12xlarge", "c6id.16xlarge", "c6id.24xlarge", "c6id.2xlarge", "c6id.32xlarge", "c6id.4xlarge", "c6id.8xlarge", "c6id.large", "c6id.metal", "c6id.xlarge", "c6in.12xlarge", "c6in.16xlarge", "c6in.24xlarge", "c6in.2xlarge", "c6in.32xlarge", "c6in.4xlarge", "c6in.8xlarge", "c6in.large", "c6in.metal", "c6in.xlarge", "c7a.12xlarge", "c7a.16xlarge", "c7a.24xlarge", "c7a.2xlarge", "c7a.32xlarge", "c7a.48xlarge", "c7a.4xlarge", "c7a.8xlarge", "c7a.large", "c7a.medium", "c7a.metal-48xl", "c7a.xlarge", "c7g.12xlarge", "c7g.16xlarge", "c7g.2xlarge", "c7g.4xlarge", "c7g.8xlarge", "c7g.large", "c7g.medium", "c7g.metal", "c7g.xlarge", "c7gd.12xlarge", "c7gd.16xlarge", "c7gd.2xlarge", "c7gd.4xlarge", "c7gd.8xlarge", "c7gd.large", "c7gd.medium", "c7gd.metal", "c7gd.xlarge", "c7gn.12xlarge", "c7gn.16xlarge", "c7gn.2xlarge", "c7gn.4xlarge", "c7gn.8xlarge", "c7gn.large", "c7gn.medium", "c7gn.metal", "c7gn.xlarge", "c7i-flex.12xlarge", "c7i-flex.16xlarge", "c7i-flex.2xlarge", "c7i-flex.4xlarge", "c7i-flex.8xlarge", "c7i-flex.large", "c7i-flex.xlarge", "c7i.12xlarge", "c7i.16xlarge", "c7i.24xlarge", "c7i.2xlarge", "c7i.48xlarge", "c7i.4xlarge", "c7i.8xlarge", "c7i.large", "c7i.metal-24xl", "c7i.metal-48xl", "c7i.xlarge", "c8a.12xlarge", "c8a.16xlarge", "c8a.24xlarge", "c8a.2xlarge", "c8a.48xlarge", "c8a.4xlarge", "c8a.8xlarge", "c8a.large", "c8a.medium", "c8a.metal-24xl", "c8a.metal-48xl", "c8a.xlarge", "c8g.12xlarge", "c8g.16xlarge", "c8g.24xlarge", "c8g.2xlarge", "c8g.48xlarge", "c8g.4xlarge", "c8g.8xlarge", "c8g.large", "c8g.medium", "c8g.metal-24xl", "c8g.metal-48xl", "c8g.xlarge", "c8gb.12xlarge", "c8gb.16xlarge", "c8gb.24xlarge", "c8gb.2xlarge", "c8gb.48xlarge", "c8gb.4xlarge", "c8gb.8xlarge", "c8gb.large", "c8gb.medium", "c8gb.metal-24xl", "c8gb.metal-48xl", "c8gb.xlarge", "c8gd.12xlarge", "c8gd.16xlarge", "c8gd.24xlarge", "c8gd.2xlarge", "c8gd.48xlarge", "c8gd.4xlarge", "c8gd.8xlarge", "c8gd.large", "c8gd.medium", "c8gd.metal-24xl", "c8gd.metal-48xl", "c8gd.xlarge", "c8gn.12xlarge", "c8gn.16xlarge", "c8gn.24xlarge", "c8gn.2xlarge", "c8gn.48xlarge", "c8gn.4xlarge", "c8gn.8xlarge", "c8gn.large", "c8gn.medium", "c8gn.metal-24xl", "c8gn.metal-48xl", "c8gn.xlarge", "c8i-flex.12xlarge", "c8i-flex.16xlarge", "c8i-flex.2xlarge", "c8i-flex.4xlarge", "c8i-flex.8xlarge", "c8i-flex.large", "c8i-flex.xlarge", "c8i.12xlarge", "c8i.16xlarge", "c8i.24xlarge", "c8i.2xlarge", "c8i.32xlarge", "c8i.48xlarge", "c8i.4xlarge", "c8i.8xlarge", "c8i.96xlarge", "c8i.large", "c8i.metal-48xl", "c8i.metal-96xl", "c8i.xlarge", "c8ib.12xlarge", "c8ib.16xlarge", "c8ib.24xlarge", "c8ib.2xlarge", "c8ib.32xlarge", "c8ib.48xlarge", "c8ib.4xlarge", "c8ib.8xlarge", "c8ib.96xlarge", "c8ib.large", "c8ib.metal-48xl", "c8ib.metal-96xl", "c8ib.xlarge", "c8id.12xlarge", "c8id.16xlarge", "c8id.24xlarge", "c8id.2xlarge", "c8id.32xlarge", "c8id.48xlarge", "c8id.4xlarge", "c8id.8xlarge", "c8id.96xlarge", "c8id.large", "c8id.metal-48xl", "c8id.metal-96xl", "c8id.xlarge", "c8in.12xlarge", "c8in.16xlarge", "c8in.24xlarge", "c8in.2xlarge", "c8in.32xlarge", "c8in.48xlarge", "c8in.4xlarge", "c8in.8xlarge", "c8in.96xlarge", "c8in.large", "c8in.metal-48xl", "c8in.metal-96xl", "c8in.xlarge", "c8ine.12xlarge", "c8ine.2xlarge", "c8ine.4xlarge", "c8ine.8xlarge", "c8ine.large", "c8ine.xlarge", "c9g.12xlarge", "c9g.16xlarge", "c9g.24xlarge", "c9g.2xlarge", "c9g.48xlarge", "c9g.4xlarge", "c9g.8xlarge", "c9g.large", "c9g.medium", "c9g.metal-48xl", "c9g.xlarge", "c9gd.12xlarge", "c9gd.16xlarge", "c9gd.24xlarge", "c9gd.2xlarge", "c9gd.48xlarge", "c9gd.4xlarge", "c9gd.8xlarge", "c9gd.large", "c9gd.medium", "c9gd.metal-48xl", "c9gd.xlarge", "cc1.4xlarge", "cc2.8xlarge", "cg1.4xlarge", "cr1.8xlarge", "d2.2xlarge", "d2.4xlarge", "d2.8xlarge", "d2.xlarge", "d3.2xlarge", "d3.4xlarge", "d3.8xlarge", "d3.xlarge", "d3en.12xlarge", "d3en.2xlarge", "d3en.4xlarge", "d3en.6xlarge", "d3en.8xlarge", "d3en.xlarge", "dl1.24xlarge", "dl2q.24xlarge", "f1.16xlarge", "f1.2xlarge", "f1.4xlarge", "f2.12xlarge", "f2.48xlarge", "f2.6xlarge", "g2.2xlarge", "g2.8xlarge", "g3.16xlarge", "g3.4xlarge", "g3.8xlarge", "g3s.xlarge", "g4ad.16xlarge", "g4ad.2xlarge", "g4ad.4xlarge", "g4ad.8xlarge", "g4ad.xlarge", "g4dn.12xlarge", "g4dn.16xlarge", "g4dn.2xlarge", "g4dn.4xlarge", "g4dn.8xlarge", "g4dn.metal", "g4dn.xlarge", "g5.12xlarge", "g5.16xlarge", "g5.24xlarge", "g5.2xlarge", "g5.48xlarge", "g5.4xlarge", "g5.8xlarge", "g5.xlarge", "g5g.16xlarge", "g5g.2xlarge", "g5g.4xlarge", "g5g.8xlarge", "g5g.metal", "g5g.xlarge", "g6.12xlarge", "g6.16xlarge", "g6.24xlarge", "g6.2xlarge", "g6.48xlarge", "g6.4xlarge", "g6.8xlarge", "g6.xlarge", "g6e.12xlarge", "g6e.16xlarge", "g6e.24xlarge", "g6e.2xlarge", "g6e.48xlarge", "g6e.4xlarge", "g6e.8xlarge", "g6e.xlarge", "g6f.2xlarge", "g6f.4xlarge", "g6f.large", "g6f.xlarge", "g7.12xlarge", "g7.24xlarge", "g7.2xlarge", "g7.48xlarge", "g7.4xlarge", "g7.8xlarge", "g7e.12xlarge", "g7e.24xlarge", "g7e.2xlarge", "g7e.48xlarge", "g7e.4xlarge", "g7e.8xlarge", "gr6.4xlarge", "gr6.8xlarge", "gr6f.4xlarge", "h1.16xlarge", "h1.2xlarge", "h1.4xlarge", "h1.8xlarge", "hi1.4xlarge", "hpc6a.48xlarge", "hpc6id.32xlarge", "hpc7a.12xlarge", "hpc7a.24xlarge", "hpc7a.48xlarge", "hpc7a.96xlarge", "hpc7g.16xlarge", "hpc7g.4xlarge", "hpc7g.8xlarge", "hpc8a.96xlarge", "hs1.8xlarge", "i2.2xlarge", "i2.4xlarge", "i2.8xlarge", "i2.xlarge", "i3.16xlarge", "i3.2xlarge", "i3.4xlarge", "i3.8xlarge", "i3.large", "i3.metal", "i3.xlarge", "i3en.12xlarge", "i3en.24xlarge", "i3en.2xlarge", "i3en.3xlarge", "i3en.6xlarge", "i3en.large", "i3en.metal", "i3en.xlarge", "i4g.16xlarge", "i4g.2xlarge", "i4g.4xlarge", "i4g.8xlarge", "i4g.large", "i4g.xlarge", "i4i.12xlarge", "i4i.16xlarge", "i4i.24xlarge", "i4i.2xlarge", "i4i.32xlarge", "i4i.4xlarge", "i4i.8xlarge", "i4i.large", "i4i.metal", "i4i.xlarge", "i7i.12xlarge", "i7i.16xlarge", "i7i.24xlarge", "i7i.2xlarge", "i7i.48xlarge", "i7i.4xlarge", "i7i.8xlarge", "i7i.large", "i7i.metal-24xl", "i7i.metal-48xl", "i7i.xlarge", "i7ie.12xlarge", "i7ie.18xlarge", "i7ie.24xlarge", "i7ie.2xlarge", "i7ie.3xlarge", "i7ie.48xlarge", "i7ie.6xlarge", "i7ie.large", "i7ie.metal-24xl", "i7ie.metal-48xl", "i7ie.xlarge", "i8g.12xlarge", "i8g.16xlarge", "i8g.24xlarge", "i8g.2xlarge", "i8g.48xlarge", "i8g.4xlarge", "i8g.8xlarge", "i8g.large", "i8g.metal-24xl", "i8g.xlarge", "i8ge.12xlarge", "i8ge.18xlarge", "i8ge.24xlarge", "i8ge.2xlarge", "i8ge.3xlarge", "i8ge.48xlarge", "i8ge.6xlarge", "i8ge.large", "i8ge.metal-24xl", "i8ge.metal-48xl", "i8ge.xlarge", "im4gn.16xlarge", "im4gn.2xlarge", "im4gn.4xlarge", "im4gn.8xlarge", "im4gn.large", "im4gn.xlarge", "inf1.24xlarge", "inf1.2xlarge", "inf1.6xlarge", "inf1.xlarge", "inf2.24xlarge", "inf2.48xlarge", "inf2.8xlarge", "inf2.xlarge", "is4gen.2xlarge", "is4gen.4xlarge", "is4gen.8xlarge", "is4gen.large", "is4gen.medium", "is4gen.xlarge", "m1.large", "m1.medium", "m1.small", "m1.xlarge", "m2.2xlarge", "m2.4xlarge", "m2.xlarge", "m3.2xlarge", "m3.large", "m3.medium", "m3.xlarge", "m4.10xlarge", "m4.16xlarge", "m4.2xlarge", "m4.4xlarge", "m4.large", "m4.xlarge", "m5.12xlarge", "m5.16xlarge", "m5.24xlarge", "m5.2xlarge", "m5.4xlarge", "m5.8xlarge", "m5.large", "m5.metal", "m5.xlarge", "m5a.12xlarge", "m5a.16xlarge", "m5a.24xlarge", "m5a.2xlarge", "m5a.4xlarge", "m5a.8xlarge", "m5a.large", "m5a.xlarge", "m5ad.12xlarge", "m5ad.16xlarge", "m5ad.24xlarge", "m5ad.2xlarge", "m5ad.4xlarge", "m5ad.8xlarge", "m5ad.large", "m5ad.xlarge", "m5d.12xlarge", "m5d.16xlarge", "m5d.24xlarge", "m5d.2xlarge", "m5d.4xlarge", "m5d.8xlarge", "m5d.large", "m5d.metal", "m5d.xlarge", "m5dn.12xlarge", "m5dn.16xlarge", "m5dn.24xlarge", "m5dn.2xlarge", "m5dn.4xlarge", "m5dn.8xlarge", "m5dn.large", "m5dn.metal", "m5dn.xlarge", "m5n.12xlarge", "m5n.16xlarge", "m5n.24xlarge", "m5n.2xlarge", "m5n.4xlarge", "m5n.8xlarge", "m5n.large", "m5n.metal", "m5n.xlarge", "m5zn.12xlarge", "m5zn.2xlarge", "m5zn.3xlarge", "m5zn.6xlarge", "m5zn.large", "m5zn.metal", "m5zn.xlarge", "m6a.12xlarge", "m6a.16xlarge", "m6a.24xlarge", "m6a.2xlarge", "m6a.32xlarge", "m6a.48xlarge", "m6a.4xlarge", "m6a.8xlarge", "m6a.large", "m6a.metal", "m6a.xlarge", "m6g.12xlarge", "m6g.16xlarge", "m6g.2xlarge", "m6g.4xlarge", "m6g.8xlarge", "m6g.large", "m6g.medium", "m6g.metal", "m6g.xlarge", "m6gd.12xlarge", "m6gd.16xlarge", "m6gd.2xlarge", "m6gd.4xlarge", "m6gd.8xlarge", "m6gd.large", "m6gd.medium", "m6gd.metal", "m6gd.xlarge", "m6i.12xlarge", "m6i.16xlarge", "m6i.24xlarge", "m6i.2xlarge", "m6i.32xlarge", "m6i.4xlarge", "m6i.8xlarge", "m6i.large", "m6i.metal", "m6i.xlarge", "m6id.12xlarge", "m6id.16xlarge", "m6id.24xlarge", "m6id.2xlarge", "m6id.32xlarge", "m6id.4xlarge", "m6id.8xlarge", "m6id.large", "m6id.metal", "m6id.xlarge", "m6idn.12xlarge", "m6idn.16xlarge", "m6idn.24xlarge", "m6idn.2xlarge", "m6idn.32xlarge", "m6idn.4xlarge", "m6idn.8xlarge", "m6idn.large", "m6idn.metal", "m6idn.xlarge", "m6in.12xlarge", "m6in.16xlarge", "m6in.24xlarge", "m6in.2xlarge", "m6in.32xlarge", "m6in.4xlarge", "m6in.8xlarge", "m6in.large", "m6in.metal", "m6in.xlarge", "m7a.12xlarge", "m7a.16xlarge", "m7a.24xlarge", "m7a.2xlarge", "m7a.32xlarge", "m7a.48xlarge", "m7a.4xlarge", "m7a.8xlarge", "m7a.large", "m7a.medium", "m7a.metal-48xl", "m7a.xlarge", "m7g.12xlarge", "m7g.16xlarge", "m7g.2xlarge", "m7g.4xlarge", "m7g.8xlarge", "m7g.large", "m7g.medium", "m7g.metal", "m7g.xlarge", "m7gd.12xlarge", "m7gd.16xlarge", "m7gd.2xlarge", "m7gd.4xlarge", "m7gd.8xlarge", "m7gd.large", "m7gd.medium", "m7gd.metal", "m7gd.xlarge", "m7i-flex.12xlarge", "m7i-flex.16xlarge", "m7i-flex.2xlarge", "m7i-flex.4xlarge", "m7i-flex.8xlarge", "m7i-flex.large", "m7i-flex.xlarge", "m7i.12xlarge", "m7i.16xlarge", "m7i.24xlarge", "m7i.2xlarge", "m7i.48xlarge", "m7i.4xlarge", "m7i.8xlarge", "m7i.large", "m7i.metal-24xl", "m7i.metal-48xl", "m7i.xlarge", "m8a.12xlarge", "m8a.16xlarge", "m8a.24xlarge", "m8a.2xlarge", "m8a.48xlarge", "m8a.4xlarge", "m8a.8xlarge", "m8a.large", "m8a.medium", "m8a.metal-24xl", "m8a.metal-48xl", "m8a.xlarge", "m8azn.12xlarge", "m8azn.24xlarge", "m8azn.3xlarge", "m8azn.6xlarge", "m8azn.large", "m8azn.medium", "m8azn.metal-12xl", "m8azn.metal-24xl", "m8azn.xlarge", "m8g.12xlarge", "m8g.16xlarge", "m8g.24xlarge", "m8g.2xlarge", "m8g.48xlarge", "m8g.4xlarge", "m8g.8xlarge", "m8g.large", "m8g.medium", "m8g.metal-24xl", "m8g.metal-48xl", "m8g.xlarge", "m8gb.12xlarge", "m8gb.16xlarge", "m8gb.24xlarge", "m8gb.2xlarge", "m8gb.48xlarge", "m8gb.4xlarge", "m8gb.8xlarge", "m8gb.large", "m8gb.medium", "m8gb.metal-24xl", "m8gb.metal-48xl", "m8gb.xlarge", "m8gd.12xlarge", "m8gd.16xlarge", "m8gd.24xlarge", "m8gd.2xlarge", "m8gd.48xlarge", "m8gd.4xlarge", "m8gd.8xlarge", "m8gd.large", "m8gd.medium", "m8gd.metal-24xl", "m8gd.metal-48xl", "m8gd.xlarge", "m8gn.12xlarge", "m8gn.16xlarge", "m8gn.24xlarge", "m8gn.2xlarge", "m8gn.48xlarge", "m8gn.4xlarge", "m8gn.8xlarge", "m8gn.large", "m8gn.medium", "m8gn.metal-24xl", "m8gn.metal-48xl", "m8gn.xlarge", "m8i-flex.12xlarge", "m8i-flex.16xlarge", "m8i-flex.2xlarge", "m8i-flex.4xlarge", "m8i-flex.8xlarge", "m8i-flex.large", "m8i-flex.xlarge", "m8i.12xlarge", "m8i.16xlarge", "m8i.24xlarge", "m8i.2xlarge", "m8i.32xlarge", "m8i.48xlarge", "m8i.4xlarge", "m8i.8xlarge", "m8i.96xlarge", "m8i.large", "m8i.metal-48xl", "m8i.metal-96xl", "m8i.xlarge", "m8ib.12xlarge", "m8ib.16xlarge", "m8ib.24xlarge", "m8ib.2xlarge", "m8ib.32xlarge", "m8ib.48xlarge", "m8ib.4xlarge", "m8ib.8xlarge", "m8ib.96xlarge", "m8ib.large", "m8ib.metal-48xl", "m8ib.metal-96xl", "m8ib.xlarge", "m8id.12xlarge", "m8id.16xlarge", "m8id.24xlarge", "m8id.2xlarge", "m8id.32xlarge", "m8id.48xlarge", "m8id.4xlarge", "m8id.8xlarge", "m8id.96xlarge", "m8id.large", "m8id.metal-48xl", "m8id.metal-96xl", "m8id.xlarge", "m8idb.12xlarge", "m8idb.16xlarge", "m8idb.24xlarge", "m8idb.2xlarge", "m8idb.32xlarge", "m8idb.48xlarge", "m8idb.4xlarge", "m8idb.8xlarge", "m8idb.96xlarge", "m8idb.large", "m8idb.metal-48xl", "m8idb.metal-96xl", "m8idb.xlarge", "m8idn.12xlarge", "m8idn.16xlarge", "m8idn.24xlarge", "m8idn.2xlarge", "m8idn.32xlarge", "m8idn.48xlarge", "m8idn.4xlarge", "m8idn.8xlarge", "m8idn.96xlarge", "m8idn.large", "m8idn.metal-48xl", "m8idn.metal-96xl", "m8idn.xlarge", "m8in.12xlarge", "m8in.16xlarge", "m8in.24xlarge", "m8in.2xlarge", "m8in.32xlarge", "m8in.48xlarge", "m8in.4xlarge", "m8in.8xlarge", "m8in.96xlarge", "m8in.large", "m8in.metal-48xl", "m8in.metal-96xl", "m8in.xlarge", "m8ine.12xlarge", "m8ine.2xlarge", "m8ine.4xlarge", "m8ine.8xlarge", "m8ine.large", "m8ine.xlarge", "m9g.12xlarge", "m9g.16xlarge", "m9g.24xlarge", "m9g.2xlarge", "m9g.48xlarge", "m9g.4xlarge", "m9g.8xlarge", "m9g.large", "m9g.metal-24xl", "m9g.metal-48xl", "m9g.xlarge", "m9gd.12xlarge", "m9gd.16xlarge", "m9gd.24xlarge", "m9gd.2xlarge", "m9gd.48xlarge", "m9gd.4xlarge", "m9gd.8xlarge", "m9gd.large", "m9gd.metal-24xl", "m9gd.metal-48xl", "m9gd.xlarge", "mac-m3ultra.metal", "mac-m4.metal", "mac-m4max.metal", "mac-m4pro.metal", "mac1.metal", "mac2-m1ultra.metal", "mac2-m2.metal", "mac2-m2pro.metal", "mac2.metal", "p2.16xlarge", "p2.8xlarge", "p2.xlarge", "p3.16xlarge", "p3.2xlarge", "p3.8xlarge", "p3dn.24xlarge", "p4d.24xlarge", "p4de.24xlarge", "p5.48xlarge", "p5.4xlarge", "p5e.48xlarge", "p5en.48xlarge", "p6-b200.48xlarge", "p6-b300.48xlarge", "p6e-gb200.36xlarge", "r3.2xlarge", "r3.4xlarge", "r3.8xlarge", "r3.large", "r3.xlarge", "r4.16xlarge", "r4.2xlarge", "r4.4xlarge", "r4.8xlarge", "r4.large", "r4.xlarge", "r5.12xlarge", "r5.16xlarge", "r5.24xlarge", "r5.2xlarge", "r5.4xlarge", "r5.8xlarge", "r5.large", "r5.metal", "r5.xlarge", "r5a.12xlarge", "r5a.16xlarge", "r5a.24xlarge", "r5a.2xlarge", "r5a.4xlarge", "r5a.8xlarge", "r5a.large", "r5a.xlarge", "r5ad.12xlarge", "r5ad.16xlarge", "r5ad.24xlarge", "r5ad.2xlarge", "r5ad.4xlarge", "r5ad.8xlarge", "r5ad.large", "r5ad.xlarge", "r5b.12xlarge", "r5b.16xlarge", "r5b.24xlarge", "r5b.2xlarge", "r5b.4xlarge", "r5b.8xlarge", "r5b.large", "r5b.metal", "r5b.xlarge", "r5d.12xlarge", "r5d.16xlarge", "r5d.24xlarge", "r5d.2xlarge", "r5d.4xlarge", "r5d.8xlarge", "r5d.large", "r5d.metal", "r5d.xlarge", "r5dn.12xlarge", "r5dn.16xlarge", "r5dn.24xlarge", "r5dn.2xlarge", "r5dn.4xlarge", "r5dn.8xlarge", "r5dn.large", "r5dn.metal", "r5dn.xlarge", "r5n.12xlarge", "r5n.16xlarge", "r5n.24xlarge", "r5n.2xlarge", "r5n.4xlarge", "r5n.8xlarge", "r5n.large", "r5n.metal", "r5n.xlarge", "r6a.12xlarge", "r6a.16xlarge", "r6a.24xlarge", "r6a.2xlarge", "r6a.32xlarge", "r6a.48xlarge", "r6a.4xlarge", "r6a.8xlarge", "r6a.large", "r6a.metal", "r6a.xlarge", "r6g.12xlarge", "r6g.16xlarge", "r6g.2xlarge", "r6g.4xlarge", "r6g.8xlarge", "r6g.large", "r6g.medium", "r6g.metal", "r6g.xlarge", "r6gd.12xlarge", "r6gd.16xlarge", "r6gd.2xlarge", "r6gd.4xlarge", "r6gd.8xlarge", "r6gd.large", "r6gd.medium", "r6gd.metal", "r6gd.xlarge", "r6i.12xlarge", "r6i.16xlarge", "r6i.24xlarge", "r6i.2xlarge", "r6i.32xlarge", "r6i.4xlarge", "r6i.8xlarge", "r6i.large", "r6i.metal", "r6i.xlarge", "r6id.12xlarge", "r6id.16xlarge", "r6id.24xlarge", "r6id.2xlarge", "r6id.32xlarge", "r6id.4xlarge", "r6id.8xlarge", "r6id.large", "r6id.metal", "r6id.xlarge", "r6idn.12xlarge", "r6idn.16xlarge", "r6idn.24xlarge", "r6idn.2xlarge", "r6idn.32xlarge", "r6idn.4xlarge", "r6idn.8xlarge", "r6idn.large", "r6idn.metal", "r6idn.xlarge", "r6in.12xlarge", "r6in.16xlarge", "r6in.24xlarge", "r6in.2xlarge", "r6in.32xlarge", "r6in.4xlarge", "r6in.8xlarge", "r6in.large", "r6in.metal", "r6in.xlarge", "r7a.12xlarge", "r7a.16xlarge", "r7a.24xlarge", "r7a.2xlarge", "r7a.32xlarge", "r7a.48xlarge", "r7a.4xlarge", "r7a.8xlarge", "r7a.large", "r7a.medium", "r7a.metal-48xl", "r7a.xlarge", "r7g.12xlarge", "r7g.16xlarge", "r7g.2xlarge", "r7g.4xlarge", "r7g.8xlarge", "r7g.large", "r7g.medium", "r7g.metal", "r7g.xlarge", "r7gd.12xlarge", "r7gd.16xlarge", "r7gd.2xlarge", "r7gd.4xlarge", "r7gd.8xlarge", "r7gd.large", "r7gd.medium", "r7gd.metal", "r7gd.xlarge", "r7i.12xlarge", "r7i.16xlarge", "r7i.24xlarge", "r7i.2xlarge", "r7i.48xlarge", "r7i.4xlarge", "r7i.8xlarge", "r7i.large", "r7i.metal-24xl", "r7i.metal-48xl", "r7i.xlarge", "r7iz.12xlarge", "r7iz.16xlarge", "r7iz.2xlarge", "r7iz.32xlarge", "r7iz.4xlarge", "r7iz.8xlarge", "r7iz.large", "r7iz.metal-16xl", "r7iz.metal-32xl", "r7iz.xlarge", "r8a.12xlarge", "r8a.16xlarge", "r8a.24xlarge", "r8a.2xlarge", "r8a.48xlarge", "r8a.4xlarge", "r8a.8xlarge", "r8a.large", "r8a.medium", "r8a.metal-24xl", "r8a.metal-48xl", "r8a.xlarge", "r8g.12xlarge", "r8g.16xlarge", "r8g.24xlarge", "r8g.2xlarge", "r8g.48xlarge", "r8g.4xlarge", "r8g.8xlarge", "r8g.large", "r8g.medium", "r8g.metal-24xl", "r8g.metal-48xl", "r8g.xlarge", "r8gb.12xlarge", "r8gb.16xlarge", "r8gb.24xlarge", "r8gb.2xlarge", "r8gb.4xlarge", "r8gb.8xlarge", "r8gb.large", "r8gb.medium", "r8gb.metal-24xl", "r8gb.xlarge", "r8gd.12xlarge", "r8gd.16xlarge", "r8gd.24xlarge", "r8gd.2xlarge", "r8gd.48xlarge", "r8gd.4xlarge", "r8gd.8xlarge", "r8gd.large", "r8gd.medium", "r8gd.metal-24xl", "r8gd.metal-48xl", "r8gd.xlarge", "r8gn.12xlarge", "r8gn.16xlarge", "r8gn.24xlarge", "r8gn.2xlarge", "r8gn.48xlarge", "r8gn.4xlarge", "r8gn.8xlarge", "r8gn.large", "r8gn.medium", "r8gn.metal-24xl", "r8gn.metal-48xl", "r8gn.xlarge", "r8i-flex.12xlarge", "r8i-flex.16xlarge", "r8i-flex.2xlarge", "r8i-flex.4xlarge", "r8i-flex.8xlarge", "r8i-flex.large", "r8i-flex.xlarge", "r8i.12xlarge", "r8i.16xlarge", "r8i.24xlarge", "r8i.2xlarge", "r8i.32xlarge", "r8i.48xlarge", "r8i.4xlarge", "r8i.8xlarge", "r8i.96xlarge", "r8i.large", "r8i.metal-48xl", "r8i.metal-96xl", "r8i.xlarge", "r8ib.12xlarge", "r8ib.16xlarge", "r8ib.24xlarge", "r8ib.2xlarge", "r8ib.32xlarge", "r8ib.48xlarge", "r8ib.4xlarge", "r8ib.8xlarge", "r8ib.96xlarge", "r8ib.large", "r8ib.metal-48xl", "r8ib.metal-96xl", "r8ib.xlarge", "r8id.12xlarge", "r8id.16xlarge", "r8id.24xlarge", "r8id.2xlarge", "r8id.32xlarge", "r8id.48xlarge", "r8id.4xlarge", "r8id.8xlarge", "r8id.96xlarge", "r8id.large", "r8id.metal-48xl", "r8id.metal-96xl", "r8id.xlarge", "r8idb.12xlarge", "r8idb.16xlarge", "r8idb.24xlarge", "r8idb.2xlarge", "r8idb.32xlarge", "r8idb.48xlarge", "r8idb.4xlarge", "r8idb.8xlarge", "r8idb.96xlarge", "r8idb.large", "r8idb.metal-48xl", "r8idb.metal-96xl", "r8idb.xlarge", "r8idn.12xlarge", "r8idn.16xlarge", "r8idn.24xlarge", "r8idn.2xlarge", "r8idn.32xlarge", "r8idn.48xlarge", "r8idn.4xlarge", "r8idn.8xlarge", "r8idn.96xlarge", "r8idn.large", "r8idn.metal-48xl", "r8idn.metal-96xl", "r8idn.xlarge", "r8in.12xlarge", "r8in.16xlarge", "r8in.24xlarge", "r8in.2xlarge", "r8in.32xlarge", "r8in.48xlarge", "r8in.4xlarge", "r8in.8xlarge", "r8in.96xlarge", "r8in.large", "r8in.metal-48xl", "r8in.metal-96xl", "r8in.xlarge", "t1.micro", "t2.2xlarge", "t2.large", "t2.medium", "t2.micro", "t2.nano", "t2.small", "t2.xlarge", "t3.2xlarge", "t3.large", "t3.medium", "t3.micro", "t3.nano", "t3.small", "t3.xlarge", "t3a.2xlarge", "t3a.large", "t3a.medium", "t3a.micro", "t3a.nano", "t3a.small", "t3a.xlarge", "t4g.2xlarge", "t4g.large", "t4g.medium", "t4g.micro", "t4g.nano", "t4g.small", "t4g.xlarge", "trn1.2xlarge", "trn1.32xlarge", "trn1n.32xlarge", "trn2.3xlarge", "trn2.48xlarge", "u-12tb1.112xlarge", "u-12tb1.metal", "u-18tb1.112xlarge", "u-18tb1.metal", "u-24tb1.112xlarge", "u-24tb1.metal", "u-3tb1.56xlarge", "u-6tb1.112xlarge", "u-6tb1.56xlarge", "u-6tb1.metal", "u-9tb1.112xlarge", "u-9tb1.metal", "u7i-12tb.224xlarge", "u7i-6tb.112xlarge", "u7i-8tb.112xlarge", "u7ib-12tb.224xlarge", "u7in-16tb.224xlarge", "u7in-24tb.224xlarge", "u7in-32tb.224xlarge", "u7inh-32tb.480xlarge", "vt1.24xlarge", "vt1.3xlarge", "vt1.6xlarge", "x1.16xlarge", "x1.32xlarge", "x1e.16xlarge", "x1e.2xlarge", "x1e.32xlarge", "x1e.4xlarge", "x1e.8xlarge", "x1e.xlarge", "x2gd.12xlarge", "x2gd.16xlarge", "x2gd.2xlarge", "x2gd.4xlarge", "x2gd.8xlarge", "x2gd.large", "x2gd.medium", "x2gd.metal", "x2gd.xlarge", "x2idn.16xlarge", "x2idn.24xlarge", "x2idn.32xlarge", "x2idn.metal", "x2iedn.16xlarge", "x2iedn.24xlarge", "x2iedn.2xlarge", "x2iedn.32xlarge", "x2iedn.4xlarge", "x2iedn.8xlarge", "x2iedn.metal", "x2iedn.xlarge", "x2iezn.12xlarge", "x2iezn.2xlarge", "x2iezn.4xlarge", "x2iezn.6xlarge", "x2iezn.8xlarge", "x2iezn.metal", "x8aedz.12xlarge", "x8aedz.24xlarge", "x8aedz.3xlarge", "x8aedz.6xlarge", "x8aedz.large", "x8aedz.metal-12xl", "x8aedz.metal-24xl", "x8aedz.xlarge", "x8g.12xlarge", "x8g.16xlarge", "x8g.24xlarge", "x8g.2xlarge", "x8g.48xlarge", "x8g.4xlarge", "x8g.8xlarge", "x8g.large", "x8g.medium", "x8g.metal-24xl", "x8g.metal-48xl", "x8g.xlarge", "x8i.12xlarge", "x8i.16xlarge", "x8i.24xlarge", "x8i.2xlarge", "x8i.32xlarge", "x8i.48xlarge", "x8i.4xlarge", "x8i.64xlarge", "x8i.8xlarge", "x8i.96xlarge", "x8i.large", "x8i.metal-48xl", "x8i.metal-96xl", "x8i.xlarge", "z1d.12xlarge", "z1d.2xlarge", "z1d.3xlarge", "z1d.6xlarge", "z1d.large", "z1d.metal", "z1d.xlarge" ] }, { "type": "AWS::EC2::Instance", "pointer": "/properties/Tenancy", "enumName": "Tenancy", "note": "Already a union on AWS::ImageBuilder::InfrastructureConfiguration Placement.Tenancy.", "source": { "kind": "botocore", "service": "ec2", "apiVersion": "2016-11-15", "shape": "Tenancy" }, "reviewed": "2026-09-06", "values": [ "dedicated", "default", "host" ] }, { "type": "AWS::EC2::Instance", "pointer": "/definitions/Ebs/properties/VolumeType", "enumName": "VolumeType", "note": "Already a union on AWS::WorkspacesInstances::Volume and the ImageBuilder recipes.", "source": { "kind": "botocore", "service": "ec2", "apiVersion": "2016-11-15", "shape": "VolumeType" }, "reviewed": "2026-09-06", "values": [ "gp2", "gp3", "io1", "io2", "sc1", "st1", "standard" ] }, { "type": "AWS::EC2::Volume", "pointer": "/properties/VolumeType", "enumName": "VolumeType", "note": "Same property, same values, untyped on the resource that owns it.", "source": { "kind": "botocore", "service": "ec2", "apiVersion": "2016-11-15", "shape": "VolumeType" }, "reviewed": "2026-09-06", "values": [ "gp2", "gp3", "io1", "io2", "sc1", "st1", "standard" ] }, { "type": "AWS::ElasticLoadBalancingV2::TargetGroup", "pointer": "/properties/Protocol", "enumName": "Protocol", "note": "28 Protocol occurrences across 10 corpus files; the sibling Listener.Protocol is already a union.", "source": { "kind": "botocore", "service": "elbv2", "apiVersion": "2015-12-01", "shape": "ProtocolEnum" }, "reviewed": "2026-09-06", "values": [ "GENEVE", "HTTP", "HTTPS", "QUIC", "TCP", "TCP_QUIC", "TCP_UDP", "TLS", "UDP" ] }, { "type": "AWS::ElasticLoadBalancingV2::TargetGroup", "pointer": "/properties/TargetType", "enumName": "TargetType", "note": "3 occurrences; the NlbService composite already declares the same four values by hand.", "source": { "kind": "botocore", "service": "elbv2", "apiVersion": "2015-12-01", "shape": "TargetTypeEnum" }, "reviewed": "2026-09-06", "values": [ "alb", "instance", "ip", "lambda" ] }, { "type": "AWS::ElasticLoadBalancingV2::LoadBalancer", "pointer": "/properties/Scheme", "enumName": "Scheme", "note": "3 occurrences; LoadBalancer.Type beside it is already a union.", "source": { "kind": "botocore", "service": "elbv2", "apiVersion": "2015-12-01", "shape": "LoadBalancerSchemeEnum" }, "reviewed": "2026-09-06", "values": [ "internal", "internet-facing" ] }, { "type": "AWS::SNS::Subscription", "pointer": "/properties/Protocol", "enumName": "Protocol", "note": "The CloudFormation spec, cfn-lint and the SNS service model all omit it; the API reference is the only list.", "source": { "kind": "docs", "url": "https://docs.aws.amazon.com/sns/latest/api/API_Subscribe.html" }, "reviewed": "2026-09-06", "values": [ "application", "email", "email-json", "firehose", "http", "https", "lambda", "sms", "sqs" ] }, { "type": "AWS::DynamoDB::Table", "pointer": "/properties/BillingMode", "enumName": "BillingMode", "note": "3 occurrences; the DynamodbTable composite already declares both values by hand.", "source": { "kind": "botocore", "service": "dynamodb", "apiVersion": "2012-08-10", "shape": "BillingMode" }, "reviewed": "2026-09-06", "values": [ "PAY_PER_REQUEST", "PROVISIONED" ] }, { "type": "AWS::DynamoDB::Table", "pointer": "/definitions/AttributeDefinition/properties/AttributeType", "enumName": "AttributeType", "note": "6 occurrences, all of them the single letter S or N.", "source": { "kind": "botocore", "service": "dynamodb", "apiVersion": "2012-08-10", "shape": "ScalarAttributeType" }, "reviewed": "2026-09-06", "values": [ "B", "N", "S" ] }, { "type": "AWS::DynamoDB::Table", "pointer": "/definitions/KeySchema/properties/KeyType", "enumName": "KeyType", "note": "9 occurrences, the most-written DynamoDB enum in the corpus.", "source": { "kind": "botocore", "service": "dynamodb", "apiVersion": "2012-08-10", "shape": "KeyType" }, "reviewed": "2026-09-06", "values": [ "HASH", "RANGE" ] }, { "type": "AWS::DynamoDB::Table", "pointer": "/definitions/Projection/properties/ProjectionType", "enumName": "ProjectionType", "note": "3 occurrences.", "source": { "kind": "botocore", "service": "dynamodb", "apiVersion": "2012-08-10", "shape": "ProjectionType" }, "reviewed": "2026-09-06", "values": [ "ALL", "INCLUDE", "KEYS_ONLY" ] }, { "type": "AWS::DynamoDB::Table", "pointer": "/definitions/StreamSpecification/properties/StreamViewType", "enumName": "StreamViewType", "note": "4 occurrences.", "source": { "kind": "botocore", "service": "dynamodb", "apiVersion": "2012-08-10", "shape": "StreamViewType" }, "reviewed": "2026-09-06", "values": [ "KEYS_ONLY", "NEW_AND_OLD_IMAGES", "NEW_IMAGE", "OLD_IMAGE" ] }, { "type": "AWS::RDS::DBInstance", "pointer": "/properties/Engine", "enumName": "Engine", "note": "7 Engine occurrences across 6 corpus files; the RDS service model has no enum, the user guide lists the set.", "source": { "kind": "docs", "url": "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-rds-database-instance.html#cfn-rds-dbinstance-engine" }, "reviewed": "2026-09-06", "values": [ "aurora-mysql", "aurora-postgresql", "custom-oracle-ee", "custom-oracle-ee-cdb", "custom-sqlserver-ee", "custom-sqlserver-se", "custom-sqlserver-web", "db2-ae", "db2-se", "mariadb", "mysql", "oracle-ee", "oracle-ee-cdb", "oracle-se2", "oracle-se2-cdb", "postgres", "sqlserver-ee", "sqlserver-ex", "sqlserver-se", "sqlserver-web" ] }, { "type": "AWS::RDS::DBCluster", "pointer": "/properties/Engine", "enumName": "Engine", "note": "Same property on the cluster, a strictly smaller set than the instance's.", "source": { "kind": "docs", "url": "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-rds-dbcluster.html#cfn-rds-dbcluster-engine" }, "reviewed": "2026-09-06", "values": [ "aurora-mysql", "aurora-postgresql", "mysql", "postgres" ] }, { "type": "AWS::ApplicationAutoScaling::ScalableTarget", "pointer": "/properties/ServiceNamespace", "enumName": "ServiceNamespace", "note": "13 occurrences across the fargate-service composite and the WAW030 lint fixtures.", "source": { "kind": "botocore", "service": "application-autoscaling", "apiVersion": "2016-02-06", "shape": "ServiceNamespace" }, "reviewed": "2026-09-06", "values": [ "appstream", "cassandra", "comprehend", "custom-resource", "dynamodb", "ec2", "ecs", "elasticache", "elasticmapreduce", "kafka", "lambda", "neptune", "rds", "sagemaker", "workspaces" ] }, { "type": "AWS::ApplicationAutoScaling::ScalableTarget", "pointer": "/properties/ScalableDimension", "enumName": "ScalableDimension", "note": "12 occurrences; a colon-delimited string nobody guesses correctly twice.", "source": { "kind": "botocore", "service": "application-autoscaling", "apiVersion": "2016-02-06", "shape": "ScalableDimension" }, "reviewed": "2026-09-06", "values": [ "appstream:fleet:DesiredCapacity", "cassandra:table:ReadCapacityUnits", "cassandra:table:WriteCapacityUnits", "comprehend:document-classifier-endpoint:DesiredInferenceUnits", "comprehend:entity-recognizer-endpoint:DesiredInferenceUnits", "custom-resource:ResourceType:Property", "dynamodb:index:ReadCapacityUnits", "dynamodb:index:WriteCapacityUnits", "dynamodb:table:ReadCapacityUnits", "dynamodb:table:WriteCapacityUnits", "ec2:spot-fleet-request:TargetCapacity", "ecs:service:DesiredCount", "elasticache:cache-cluster:Nodes", "elasticache:replication-group:NodeGroups", "elasticache:replication-group:Replicas", "elasticmapreduce:instancegroup:InstanceCount", "kafka:broker-storage:VolumeSize", "lambda:function:ProvisionedConcurrency", "neptune:cluster:ReadReplicaCount", "rds:cluster:ReadReplicaCount", "sagemaker:inference-component:DesiredCopyCount", "sagemaker:variant:DesiredInstanceCount", "sagemaker:variant:DesiredProvisionedConcurrency", "workspaces:workspacespool:DesiredUserSessions" ] } ] }