import type { ArgumentNode, DirectiveNode, EnumValueNode, IntValueNode, ObjectValueNode, StringValueNode, ValueNode } from 'graphql';
import type { OrderDirection } from '../implementation/order.js';
export interface IndexDefinitionConfig {
    readonly name?: string;
    readonly nameASTNode?: StringValueNode;
    /**
     * A list of dot-separated fields that make up this index
     */
    readonly fields: ReadonlyArray<string>;
    readonly fieldASTNodes?: ReadonlyArray<StringValueNode | DirectiveNode | undefined>;
    readonly unique?: boolean;
    /**
     * If set to true, the index will not contain any values where one of the fields is null.
     *
     * If unspecified, the value depends on unique: unique indices default to sparse, non-unique indices default to
     * non-sparse.
     */
    readonly sparse?: boolean;
    readonly astNode?: DirectiveNode | ObjectValueNode;
}
export type VectorSimilarityMetric = 'COSINE' | 'L2' | 'INNER_PRODUCT';
export interface VectorIndexDefinitionConfig {
    readonly sparse?: boolean;
    readonly metric?: VectorSimilarityMetric;
    readonly metricASTNode?: EnumValueNode;
    readonly dimension?: number;
    readonly dimensionASTNode?: IntValueNode;
    readonly nLists?: number;
    readonly nListsASTNode?: IntValueNode;
    readonly defaultNProbe?: number;
    readonly defaultNProbeASTNode?: IntValueNode;
    readonly maxNProbe?: number;
    readonly maxNProbeASTNode?: IntValueNode;
    readonly trainingIterations?: number;
    readonly trainingIterationsASTNode?: IntValueNode;
    readonly factory?: string;
    readonly factoryASTNode?: StringValueNode;
    readonly storedValues?: ReadonlyArray<string>;
    readonly storedValuesASTNodes?: ReadonlyArray<StringValueNode | undefined>;
    readonly astNode?: DirectiveNode | ObjectValueNode;
}
export interface FlexSearchPrimarySortClauseConfig {
    readonly field: string;
    readonly direction: OrderDirection;
    readonly fieldASTNode?: StringValueNode;
    readonly directionASTNode?: EnumValueNode;
}
export interface FlexSearchIndexConfig {
    readonly isIndexed: boolean;
    readonly isIndexedAstNode?: ArgumentNode;
    readonly primarySort: ReadonlyArray<FlexSearchPrimarySortClauseConfig>;
    readonly primarySortAstNode?: ArgumentNode;
    /**
     * Bundled non-functional, optional parameters for flexsearch performance optimizations
     */
    readonly performanceParams?: FlexSearchPerformanceParams;
}
/**
 * Bundles non-functional, optional parameters for flexsearch performance optimizations
 */
export interface FlexSearchPerformanceParams {
    /**
     * The time in milliseconds after which data changes will be visible in flexSearch queries
     */
    readonly commitIntervalMsec?: number;
    readonly commitIntervalMsecASTNode?: ValueNode;
    /**
     * The interval at which a consolidation policy is applied to the flexSearch view
     */
    readonly consolidationIntervalMsec?: number;
    readonly consolidationIntervalMsecASTNode?: ValueNode;
    /**
     * Wait at least this many commits before removing unused files in the data directory
     */
    readonly cleanupIntervalStep?: number;
    readonly cleanupIntervalStepASTNode?: ValueNode;
}