import { Expression } from '../core/expression';
import { DataType } from '../types/data-type';
import { EvaluationContext } from '../types/evaluation-context';
export declare class SpecifyTypeExpression implements Expression {
    readonly input: Expression;
    readonly dataType: DataType;
    constructor(input: Expression, dataType: DataType);
    evaluate(context: EvaluationContext): unknown;
}
export declare function specifyType<T>(input: Expression<T>, dataType: DataType): Expression<T>;