import type { ExprValue } from '../types/expr-value';
import type { FieldSpace } from '../types/field-space';
import { ATNodeType, ExpressionDef } from '../types/expression-def';
import type { BinaryMalloyOperator } from '../types/binary_operators';
export declare class ExprAlternationTree extends ExpressionDef {
    readonly left: ExpressionDef;
    readonly op: '|' | '&';
    readonly right: ExpressionDef;
    elementType: string;
    inList?: ExpressionDef[];
    constructor(left: ExpressionDef, op: '|' | '&', right: ExpressionDef);
    equalityList(): ExpressionDef[];
    apply(fs: FieldSpace, applyOp: BinaryMalloyOperator, expr: ExpressionDef, warnOnComplexTree: boolean): ExprValue;
    requestExpression(_fs: FieldSpace): ExprValue | undefined;
    getExpression(_fs: FieldSpace): ExprValue;
    atNodeType(): ATNodeType;
}