import * as _Object from './ion/Object';
import * as Typed from './Typed';
import * as Node from './Node';
import * as Location from './Location';
import * as Null from './ion/Null';
import * as Type from './Type';
import * as Pattern from './Pattern';
import * as Expression from './Expression';
export declare class Variable implements _Object.Object, Typed.Typed, Node.Node {
    readonly location: Location.Location | Null.Null;
    readonly type: Type.Type | Null.Null;
    readonly id: Pattern.Pattern | Expression.Expression;
    readonly value: Expression.Expression | Null.Null;
    static readonly id = "Variable";
    static readonly implements: Set<string>;
    constructor({ location, type, id, value }: {
        location?: Location.Location | Null.Null;
        type?: Type.Type | Null.Null;
        id: Pattern.Pattern | Expression.Expression;
        value?: Expression.Expression | Null.Null;
    });
    patch(properties: {
        location?: Location.Location | Null.Null;
        type?: Type.Type | Null.Null;
        id?: Pattern.Pattern | Expression.Expression;
        value?: Expression.Expression | Null.Null;
    }): Variable;
    static is(value: any): value is Variable;
}
export declare function isVariable(value: any): value is Variable;
export default Variable;
