OptionaloldProgram: EmitAndSemanticDiagnosticsBuilderProgramOptionalconfigFileParsingDiagnostics: readonly tsc.Diagnostic[]Create the builder that can handle the changes in program and iterate through changed files to emit the those files and manage semantic diagnostics cache as well
Optionalhost: CompilerHostOptionaloldProgram: EmitAndSemanticDiagnosticsBuilderProgramOptionalconfigFileParsingDiagnostics: readonly tsc.Diagnostic[]OptionalprojectReferences: readonly ProjectReference[]
Create the builder that can handle the changes in program and iterate through changed files to emit the those files and manage semantic diagnostics cache as well