Type Alias Discriminator

Discriminator:
    | {
        anchorIndex: number;
        field: string;
        kind: "slider";
        label: string;
        max: number;
        min: number;
        step: number;
        value: number;
    }
    | {
        anchorIndex: number;
        field: string;
        kind: "enum";
        label: string;
        options: readonly string[];
        value: string;
    }
    | { anchorIndex: number; kind: "handle"; which: "in"
    | "out" }