Restore mode handler APIs across SDKs #112

Job	Run time
Rust SDK Tests (ubuntu-latest)	2m 13s
Rust SDK Tests (macos-latest)	1m 28s
Rust SDK Tests (windows-latest)	2m 48s
Rust SDK Bundled CLI Build (windows-latest)	4m 2s
Rust SDK Bundled CLI Build (ubuntu-latest)	3m 25s
Rust SDK Bundled CLI Build (macos-latest)	3m 0s
	16m 56s

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