import { RdfQuadIndex } from './RdfQuadIndex';
import { Rdf3xIndex } from './Rdf3xIndex';
import type { RdfQuery, RdfQueryResult, RdfQueryVariable, RdfTextIndexSyncLike, RdfVectorIndexSyncLike } from './types';
export declare class RdfQueryExecutor {
    private readonly index;
    private readonly textIndex?;
    private readonly vectorIndex?;
    private readonly rdf3xPrimaryIndex?;
    constructor(index: RdfQuadIndex, textIndex?: RdfTextIndexSyncLike | undefined, vectorIndex?: RdfVectorIndexSyncLike | undefined, rdf3xPrimaryIndex?: Rdf3xIndex | undefined);
    query(query: RdfQuery): RdfQueryResult;
    private chooseRequiredSourceIndex;
    private estimatePatternRows;
    private estimatePatternRowsByDistinctFanout;
    private boundPatternSlots;
    private estimateSource;
    private estimateUnboundSearchSource;
    private estimateTuplePatternRows;
    private searchSourceHasBoundVariables;
    private estimateSearchRowsByBoundSource;
    private estimateTextSearchRows;
    private estimateVectorSearchRows;
    private boundVariables;
    private patternRank;
    private sourceRank;
    private joinRequiredSource;
    private joinOptionalGroup;
    private joinUnionGroup;
    private applyDependentValues;
    private applyMinusGroup;
    private applyExistsGroup;
    private joinPatternGroupRdf3x;
    private compileJoinPatternForBinding;
    private joinPattern;
    private scanCompiledPattern;
    private canUseRdf3xPrimaryScan;
    private requiredBgpPushdown;
    private requiredBgpValuesPushdown;
    private requiredBgpDistinctProject;
    private canPushRequiredBgpFilters;
    private canPushRequiredBgpOrder;
    private reorderJoinPatterns;
    private compileJoinPattern;
    private canUseRdf3xPrimaryJoin;
    private tupleValuesForBinding;
    private joinTextSearch;
    private joinVectorSearch;
    private joinTextSearchByBoundSource;
    private joinVectorSearchByBoundSource;
    private canUseBoundSourceSearch;
    private textSearchResults;
    private vectorSearchResults;
    private textSearchOptions;
    private vectorSearchOptions;
    private applyBinds;
    private evaluateBindExpression;
    private evaluateBindNumber;
    private singleScanPushdown;
    private countPushdown;
    private joinCountPushdown;
    private joinBasicAggregatePushdown;
    private canPushAggregateFilters;
    private hasNumericAggregateGuards;
    private groupAggregatePushdown;
    private groupAggregateHavingPushdown;
    private distinctCountKeys;
    private scanOrderForPattern;
    private canPushAllFiltersForPattern;
    private requiredFiltersNeedingPostApply;
    private canElideRequiredPatternFilterRechecks;
    private compilePattern;
    private bindQuad;
    private countBindings;
    private aggregateBindings;
    private groupAggregateBindings;
    private aggregateLiteral;
    private numericAggregateValues;
    private compilePushdownFilter;
    private compilePushdownFilterWithIndexes;
    private matchesNewlyBoundFilters;
    private matchesFilters;
    private matchesFilter;
    private compareVariableFilter;
}
export declare function variable(variableName: string): RdfQueryVariable;