import type { FieldUsage, FilterCondition, PipeSegment, Sampling } from '../../../model/malloy_types';
import type { FieldName, SourceFieldSpace } from '../types/field-space';
import { Limit } from '../query-properties/limit';
import { IndexFieldSpace } from '../field-space/index-field-space';
import type { QueryProperty } from '../types/query-property';
import type { QueryBuilder } from '../types/query-builder';
import type { QueryInputSpace } from '../field-space/query-input-space';
import type { QueryOperationSpace } from '../field-space/query-spaces';
import type { MalloyElement } from '../types/malloy-element';
export declare class IndexBuilder implements QueryBuilder {
    filters: FilterCondition[];
    limit?: Limit;
    indexOn?: FieldName;
    sample?: Sampling;
    resultFS: IndexFieldSpace;
    inputFS: QueryInputSpace;
    alwaysJoins: string[];
    requiredGroupBys: string[];
    readonly type = "index";
    constructor(inputFS: SourceFieldSpace, refineThis: PipeSegment | undefined, isNestIn: QueryOperationSpace | undefined, astEl: MalloyElement);
    execute(qp: QueryProperty): void;
    get fieldUsage(): FieldUsage[];
    finalize(from: PipeSegment | undefined): PipeSegment;
}