import type { FieldUsage, FunctionOrderBy as ModelFunctionOrderBy } from '../../../model/malloy_types';
import type { ExpressionDef } from '../types/expression-def';
import type { FieldSpace } from '../types/field-space';
import { ListOf, MalloyElement } from '../types/malloy-element';
type FieldUsageSummary = FieldUsage[] | undefined;
export declare class FunctionOrderBy extends MalloyElement {
    readonly field?: ExpressionDef | undefined;
    readonly dir?: "asc" | "desc" | undefined;
    elementType: string;
    constructor(field?: ExpressionDef | undefined, dir?: "asc" | "desc" | undefined);
    computeAnalyticOrderBy(fs: FieldSpace): {
        modelFunctionOrderBy: ModelFunctionOrderBy;
        fieldUsage: FieldUsageSummary;
    };
    computeAggregateOrderByWithUsage(fs: FieldSpace, allowExpression: boolean): {
        modelFunctionOrderBy: ModelFunctionOrderBy;
        fieldUsage: FieldUsageSummary;
    };
}
export declare class FunctionOrdering extends ListOf<FunctionOrderBy> {
    elementType: string;
    constructor(list: FunctionOrderBy[]);
    getAnalyticOrderBy(fs: FieldSpace): {
        orderBy: ModelFunctionOrderBy[];
        fieldUsage: FieldUsageSummary;
    };
    getAggregateOrderBy(fs: FieldSpace, allowExpression: boolean): {
        orderBy: ModelFunctionOrderBy[];
        fieldUsage: FieldUsageSummary;
    };
}
export {};