public String getArch() {
        return this.arch;
    }
<p>
The target architecture for the model. The currently supported architectures are X86_64 (64-bit version of the
x86 instruction set) and ARM_64 (ARMv8 64-bit CPU).
</p>

@return The target architecture for the model. The currently supported architectures are X86_64 (64-bit version
        of the x86 instruction set) and ARM_64 (ARMv8 64-bit CPU).
@see TargetPlatformArch
aws-java-sdk-lookoutforvision/src/main/java/com/amazonaws/services/lookoutforvision/model/TargetPlatform.java