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