export declare namespace EnsoUtils {
    /**
     * Removes indexed fields leaving only statically defined.
     */
    type PickIndexed<Payload> = {
        [Key in keyof Payload as string extends Debrand<Key> ? Key : number extends Debrand<Key> ? Key : symbol extends Debrand<Key> ? Key : never]: Payload[Key];
    };
    type IndexedKeys<Payload> = keyof PickIndexed<Payload>;
    /**
     * Removes indexed fields leaving only statically defined.
     */
    type PickStatic<Payload> = {
        [Key in keyof Payload as string extends Debrand<Key> ? never : number extends Debrand<Key> ? never : symbol extends Debrand<Key> ? never : Key]: Payload[Key];
    };
    type StaticKeys<Payload> = keyof PickStatic<Payload>;
    /**
     * Resolves true if the given key is statically defined in the given type.
     */
    type IsStaticKey<Type, Key extends keyof NonNullish<Type>> = Key extends StaticKeys<Type> ? true : false;
    /**
     * Resolves true if the passed key is a required field of the passed model.
     */
    type IsRequiredKey<Payload, Key extends keyof Payload> = IsStaticKey<Payload, Key> extends true ? Partial<Pick<Payload, Key>> extends Pick<Payload, Key> ? false : true : false;
    type PickOptional<Payload> = {
        [Key in keyof Payload as IsStaticKey<Payload, Key> extends true ? Partial<Pick<Payload, Key>> extends Pick<Payload, Key> ? Key : never : never]: Payload[Key];
    };
    type OptionalKeys<Payload> = keyof PickOptional<Payload>;
    type IsOptionalKey<Type, Key extends keyof NonNullish<Type>> = Key extends OptionalKeys<Type> ? true : false;
    /**
     * Nullish value type.
     */
    type Nullish<Type = never> = Type | null | undefined;
    type HasNullish<Type> = Not<IsNever<Extract<Type, Nullish>>>;
    /**
     * Excludes nulish values from the given type.
     */
    type NonNullish<Type> = Exclude<Type, null | undefined>;
    /**
     * Excludes undefined values from the given type.
     */
    type NonUndefined<Type> = Exclude<Type, undefined>;
    /**
     * Falsy value type.
     */
    type Falsy = false | 0 | "" | Nullish;
    type NonFalsy<Type> = Exclude<Type, Falsy>;
    type Static<Class extends Interface & {
        new (...args: any[]): any;
    }, Interface> = InstanceType<Class>;
    type NonTuple<Type> = Type extends Tuple ? never : Type;
    type ArrayConstraint = unknown[] | ReadonlyArrayConstraint;
    type StaticArray = Tuple;
    type Tuple = [unknown, ...unknown[]] | readonly [unknown, ...unknown[]];
    type ReadonlyArrayConstraint = readonly unknown[];
    type IsReadonlyArray<Type> = Type extends readonly unknown[] ? Type extends unknown[] ? false : true : false;
    type IndexOfTuple<Type extends Tuple> = Exclude<keyof Type, keyof any[]> extends infer Key ? Key extends `${infer Index extends number}` ? Index : never : never;
    type Not<Type> = Type extends true ? false : true;
    type And<Type1, Type2, Type3 = Type2, Type4 = Type3, Type5 = Type4, Type6 = Type5, Type7 = Type6, Type8 = Type7, Type9 = Type8, Type10 = Type9> = true extends Type1 & Type2 & Type3 & Type4 & Type5 & Type6 & Type7 & Type8 & Type9 & Type10 ? true : false;
    type Or<Type1, Type2, Type3 = Type2, Type4 = Type3, Type5 = Type4, Type6 = Type5, Type7 = Type6, Type8 = Type7, Type9 = Type8, Type10 = Type9> = true extends Type1 | Type2 | Type3 | Type4 | Type5 | Type6 | Type7 | Type8 | Type9 | Type10 ? true : false;
    type IfAnyOr<Type, IfType, OrType> = 0 extends 1 & Type ? IfType : OrType;
    type AnyOr<Type, OrType> = IfAnyOr<Type, any, OrType>;
    type IsAny<Type> = IfAnyOr<Type, true, false>;
    type OnlyAny<Type> = IfAnyOr<Type, any, never>;
    type IfUnknownOr<Type, IfType, OrType> = IfAnyOr<Type, OrType, [
        Type
    ] extends [unknown] ? (unknown extends Type ? IfType : OrType) : OrType>;
    type UnknownOr<Type, OrType> = IfUnknownOr<Type, unknown, OrType>;
    type IsUnknown<Type> = IfUnknownOr<Type, true, false>;
    type IsNotTop<Type> = Type extends {} ? true : false;
    type ResolveTop<Type> = IsUnknown<Type> extends true ? never : any;
    type IsNever<Type> = [Type] extends [never] ? true : false;
    type NeverDefault<Type, DefaultType> = [Type] extends [never] ? DefaultType : Type;
    type IsExtreme<Type> = Or<IsAny<Type>, IsUnknown<Type>, IsNever<Type>>;
    type CovariantifyProperty<Type> = {
        [Key in keyof Type]: Type[Key];
    };
    type CovariantifyKeyof<Type> = Exclude<keyof Type, keyof object> extends infer Key extends keyof Type ? Key : never;
    type UnionToIntersection<Union> = (Union extends any ? (key: Union) => void : never) extends (key: infer Intersection) => void ? Intersection : never;
    /**
     * Resolves union keys.
     */
    type UnionKeys<Type> = Type extends Type ? keyof Type : never;
    /**
     * Resolves union value.
     */
    type UnionValue<Type, UnionKey extends UnionKeys<Type>> = Type extends {
        [Key in UnionKey]: unknown;
    } ? Type[UnionKey] : never;
    type Primitive = string | number | boolean | undefined | null | symbol | bigint;
    type BrandedPrimitive = Primitive & AnyBrand;
    type Branded<Type, Symbol extends symbol> = Type & {
        [Key in Symbol]: true;
    };
    /**
     * Any brand type that can be mixed with string number or symbol to create
     * opaque primitive.
     */
    type AnyBrand = {
        [key: keyof any]: any;
    };
    /**
     * Removes brand from the given type.
     */
    type Debrand<Type> = Type extends infer _Brand extends AnyBrand & (infer Debranded extends Primitive) ? Debranded : Type;
    type StaticImplements<Class extends Interface & {
        new (...args: any[]): any;
    }, Interface> = InstanceType<Class>;
    type NonObject = Primitive | BrandedPrimitive;
    type HasNonObject<Type> = Not<IsNever<Extract<Type, BrandedPrimitive> | Exclude<Type, object>>>;
    type OnlyObject<Type> = Extract<Exclude<Type, BrandedPrimitive>, object>;
    type Transparent<Type> = Type extends infer Type ? {
        [Key in keyof Type]: Type[Key];
    } : never;
    type Expose<Type> = Type & {};
    type Extends<Qualifier, QualifierToCheck> = Extract<Qualifier, QualifierToCheck> extends infer RefQualifier ? Not<IsNever<RefQualifier>> : never;
    namespace Union {
        type Shared<Type> = Pick<Type, {
            [Key in UnionKeys<Type>]: IsSharedKey<Type, Key> extends true ? Key : never;
        }[UnionKeys<Type>]>;
        type IsSharedKey<Type, Key extends keyof Type> = Type extends infer TypeUnion ? Type extends Type ? Key extends keyof TypeUnion ? TypeUnion[Key] extends Type[Key] ? true : false : false : never : never;
    }
}
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