_, b = mis[i]
			if !b {
				panic(fmt.Sprintf("tuple existence assign: mis[%d]\n", i))
			}
		}
		{
			_, b := msi[s]
			if !b {
				panic(fmt.Sprintf("tuple existence decl: msi[%d]\n", i))
			}
			_, b = msi[s]
			if !b {
				panic(fmt.Sprintf("tuple existence assign: msi[%d]\n", i))
			}
		}
		{
			_, b := mss[s]
			if !b {
				panic(fmt.Sprintf("tuple existence decl: mss[%d]\n", i))

# Install Go 1.19.1
RUN Invoke-WebRequest "https://go.dev/dl/go1.19.1.windows-amd64.msi" \
        -OutFile C:/TEMP/go_install.msi -UseBasicParsing; \
    Start-Process C:/TEMP/go_install.msi -ArgumentList "/quiet", "/log", "C:/TEMP/go_install_log.txt", \
        "InstallAllUsers=1", "PrependPath=1" -wait; \
    Remove-Item C:/TEMP/go_install.msi; \
    Remove-Item C:/TEMP/go_install_log.txt

# Install Python 3.

					return nil, err
				}
			}
			if ndjson {
				return buf.Bytes(), nil
			}
			var msi map[string]interface{}
			dec := json.NewDecoder(buf)
			// Use number to preserve integers.
			dec.UseNumber()
			err = dec.Decode(&msi)
			if err != nil {
				return nil, err
			}
			b, err = json.MarshalIndent(msi, "", "  ")
			if err != nil {
				return nil, err
			}
			return b, nil
		}