import type { BinaryMalloyOperator } from '../types/binary_operators';
import type { ExprValue } from '../types/expr-value';
import { ExpressionDef } from '../types/expression-def';
import type { FieldSpace } from '../types/field-space';
import type { Timeframe } from './time-frame';
export declare class ForRange extends ExpressionDef {
    readonly from: ExpressionDef;
    readonly duration: ExpressionDef;
    readonly timeframe: Timeframe;
    elementType: string;
    legalChildTypes: import("../../..").TypeDesc[];
    constructor(from: ExpressionDef, duration: ExpressionDef, timeframe: Timeframe);
    apply(fs: FieldSpace, op: BinaryMalloyOperator, expr: ExpressionDef): ExprValue;
    requestExpression(_fs: FieldSpace): undefined;
    getExpression(_fs: FieldSpace): ExprValue;
}