type InferValue<Prop extends PropertyKey, Desc> = Desc extends {
    get(): any;
    value: any;
} ? never : Desc extends {
    value: infer T;
} ? Record<Prop, T> : Desc extends {
    get(): infer T;
} ? Record<Prop, T> : never;
type DefineProperty<Prop extends PropertyKey, Desc extends PropertyDescriptor> = Desc extends {
    writable: any;
    set(val: any): any;
} ? never : Desc extends {
    writable: any;
    get(): any;
} ? never : Desc extends {
    writable: false;
} ? Readonly<InferValue<Prop, Desc>> : Desc extends {
    writable: true;
} ? InferValue<Prop, Desc> : Readonly<InferValue<Prop, Desc>>;
export default function defineProperty<Obj extends object, Key extends PropertyKey, PDesc extends PropertyDescriptor>(obj: Obj, prop: Key, val: PDesc): asserts obj is Obj & DefineProperty<Key, PDesc>;
export {};
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