tests/cases/conformance/node/nodeModulesImportTypeModeDeclarationEmitErrors1.ts Updated import type syntax from assert to with tests/cases/conformance/node/nodeModulesImportTypeModeDeclarationEmit1.ts Updated import type syntax from assert to with tests/cases/conformance/moduleResolution/resolutionModeImportType1.ts Updated import type syntax from assert to with tests/cases/compiler/parseAssertEntriesError.ts Updated import type syntax from assert to with tests/cases/compiler/importTypeAssertionDeprecationIgnored.ts New test file verifying ignoreDeprecations: "6.0" suppresses the warning tests/cases/compiler/importTypeAssertionDeprecation.ts New test file demonstrating the deprecation warning for assert usage tests/baselines/reference/*.types Updated baseline files reflecting the syntax changes tests/baselines/reference/*.symbols Updated baseline files reflecting the syntax changes tests/baselines/reference/*.errors.txt Updated baseline files showing new deprecation errors for assert usage tests/baselines/reference/*.js Updated baseline files with emitted JavaScript output src/compiler/checker.ts Added deprecation check for assert keyword in import type expressions