Testing code from stackoverflow

intersection.ts

// source: https://stackoverflow.com/questions/72669756/property-selected-of-type-boolean-is-not-assignable-to-string-index-type

interface Field {
  selected:  boolean;
  value: any;
}

type ConflictingVersionModel = {
  [key: string]: Field;
} & { selected: boolean };

const cvm: ConflictingVersionModel = {
    asdf: {
        selected:true,
        value:3
    },
    qrwer: {
        selected:true,
        value:3
    },
    selected:true
};

/*
tsc error:
test.ts:12:7 - error TS2322: Type '{ asdf: { selected: true; value: number; }; qrwer: { selected: true; value: number; }; selected: true; }' is not assignable to type 'ConflictingVersionModel'.
  Type '{ asdf: { selected: true; value: number; }; qrwer: { selected: true; value: number; }; selected: true; }' is not assignable to type '{ [key: string]: Field; selected: boolean; }'.
    Property 'selected' is incompatible with index signature.
      Type 'boolean' is not assignable to type 'Field'.
*/