Variable $PhaseConst

$Phase: $.Shape<{
    type: "ApplyExtrinsic";
    value: number;
} | {
    type: "Finalization";
} | {
    type: "Initialization";
}, {
    type: "ApplyExtrinsic";
    value: number;
} | {
    type: "Finalization";
} | {
    type: "Initialization";
}> = ...