import type { ExprValue } from '../types/expr-value';
import type { ExpressionDef } from '../types/expression-def';
import type { FieldSpace } from '../types/field-space';
import { Unary } from './unary';
export declare class ExprNot extends Unary {
    elementType: string;
    legalChildTypes: import("../../..").TypeDesc[];
    constructor(expr: ExpressionDef);
    getExpression(fs: FieldSpace): ExprValue;
}