/// <reference types="node" />
import Connection from '../../connection/grpc.js';
import { ConsistencyLevel } from '../../data/index.js';
import { DbVersionSupport } from '../../utils/dbVersion.js';
import { FilterValue } from '../filters/index.js';
import { Aggregator } from '../../graphql/index.js';
import { PrimitiveKeys } from '../../index.js';
import { Bm25OperatorOptions, Bm25QueryProperty, NearVectorInputType, TargetVector } from '../query/types.js';
export type AggregateBaseOptions<M> = {
    filters?: FilterValue;
    returnMetrics?: M;
};
export type PropertyOf<T> = T extends undefined ? string : keyof T & string;
export type AggregateGroupByOptions<T, M> = AggregateBaseOptions<M> & {
    groupBy: PropertyOf<T> | GroupByAggregate<T>;
};
export type GroupByAggregate<T> = {
    property: PropertyOf<T>;
    limit?: number;
};
export type AggregateOverAllOptions<M> = AggregateBaseOptions<M>;
export type AggregateNearOptions<M, V> = AggregateBaseOptions<M> & {
    certainty?: number;
    distance?: number;
    objectLimit?: number;
    targetVector?: TargetVector<V>;
};
export type AggregateHybridOptions<T, M, V> = AggregateBaseOptions<M> & {
    alpha?: number;
    maxVectorDistance?: number;
    objectLimit?: number;
    queryProperties?: (PrimitiveKeys<T> | Bm25QueryProperty<T>)[];
    targetVector?: TargetVector<V>;
    vector?: number[];
    bm25Operator?: Bm25OperatorOptions;
};
export type AggregateGroupByHybridOptions<T, M, V> = AggregateHybridOptions<T, M, V> & {
    groupBy: PropertyOf<T> | GroupByAggregate<T>;
};
export type AggregateGroupByNearOptions<T, M, V> = AggregateNearOptions<M, V> & {
    groupBy: PropertyOf<T> | GroupByAggregate<T>;
};
export type AggregateBoolean = {
    count?: number;
    percentageFalse?: number;
    percentageTrue?: number;
    totalFalse?: number;
    totalTrue?: number;
};
export type AggregateDate = {
    count?: number;
    maximum?: string;
    median?: string;
    minimum?: string;
    mode?: string;
};
export type AggregateNumber = {
    count?: number;
    maximum?: number;
    mean?: number;
    median?: number;
    minimum?: number;
    mode?: number;
    sum?: number;
};
export type AggregateReference = {
    pointingTo?: string;
};
export type AggregateText = {
    count?: number;
    topOccurrences?: {
        occurs?: number;
        value?: string;
    }[];
};
export type MetricsInput<N extends string> = MetricsBoolean<N> | MetricsInteger<N> | MetricsNumber<N> | MetricsText<N> | MetricsDate<N>;
export type PropertiesMetrics<T> = T extends undefined ? MetricsInput<string> | MetricsInput<string>[] : MetricsInput<keyof T & string> | MetricsInput<keyof T & string>[];
export type MetricsBase<N extends string, K extends 'boolean' | 'date' | 'integer' | 'number' | 'text'> = {
    kind: K;
    propertyName: N;
};
export type Option<A> = {
    [key in keyof A]: boolean;
};
export type BooleanKeys = 'count' | 'percentageFalse' | 'percentageTrue' | 'totalFalse' | 'totalTrue';
export type DateKeys = 'count' | 'maximum' | 'median' | 'minimum' | 'mode';
export type NumberKeys = 'count' | 'maximum' | 'mean' | 'median' | 'minimum' | 'mode' | 'sum';
export type MetricsBoolean<N extends string> = MetricsBase<N, 'boolean'> & Partial<{
    [key in BooleanKeys]: boolean;
}>;
export type MetricsDate<N extends string> = MetricsBase<N, 'date'> & Partial<{
    [key in DateKeys]: boolean;
}>;
export type MetricsInteger<N extends string> = MetricsBase<N, 'integer'> & Partial<{
    [key in NumberKeys]: boolean;
}>;
export type MetricsNumber<N extends string> = MetricsBase<N, 'number'> & Partial<{
    [key in NumberKeys]: boolean;
}>;
export type MetricsText<N extends string> = MetricsBase<N, 'text'> & {
    count?: boolean;
    topOccurrences?: {
        occurs?: boolean;
        value?: boolean;
    };
    minOccurrences?: number;
};
export type AggregateMetrics<M> = {
    [K in keyof M]: M[K] extends true ? number : never;
};
export type MetricsProperty<T> = PropertyOf<T>;
export declare const metrics: <T>() => {
    aggregate: <P extends PropertyOf<T>>(property: P) => MetricsManager<T, P>;
};
export interface Metrics<T> {
    /**
     * Define the metrics to be returned based on a property when aggregating over a collection.
  
      Use this `aggregate` method to define the name to the property to be aggregated on.
      Then use the `text`, `integer`, `number`, `boolean`, `date_`, or `reference` methods to define the metrics to be returned.
  
      See [the docs](https://weaviate.io/developers/weaviate/search/aggregate) for more details!
     */
    aggregate: <P extends PropertyOf<T>>(property: P) => MetricsManager<T, P>;
}
export declare class MetricsManager<T, P extends PropertyOf<T>> {
    private propertyName;
    constructor(property: P);
    private map;
    /**
     * Define the metrics to be returned for a BOOL or BOOL_ARRAY property when aggregating over a collection.
     *
     * If none of the arguments are provided then all metrics will be returned.
     *
     * @param {('count' | 'percentageFalse' | 'percentageTrue' | 'totalFalse' | 'totalTrue')[]} metrics The metrics to return.
     * @returns {MetricsBoolean<P>} The metrics for the property.
     */
    boolean(metrics?: ('count' | 'percentageFalse' | 'percentageTrue' | 'totalFalse' | 'totalTrue')[]): MetricsBoolean<P>;
    /**
     * Define the metrics to be returned for a DATE or DATE_ARRAY property when aggregating over a collection.
     *
     * If none of the arguments are provided then all metrics will be returned.
     *
     * @param {('count' | 'maximum' | 'median' | 'minimum' | 'mode')[]} metrics The metrics to return.
     * @returns {MetricsDate<P>} The metrics for the property.
     */
    date(metrics?: ('count' | 'maximum' | 'median' | 'minimum' | 'mode')[]): MetricsDate<P>;
    /**
     * Define the metrics to be returned for an INT or INT_ARRAY property when aggregating over a collection.
     *
     * If none of the arguments are provided then all metrics will be returned.
     *
     * @param {('count' | 'maximum' | 'mean' | 'median' | 'minimum' | 'mode' | 'sum')[]} metrics The metrics to return.
     * @returns {MetricsInteger<P>} The metrics for the property.
     */
    integer(metrics?: ('count' | 'maximum' | 'mean' | 'median' | 'minimum' | 'mode' | 'sum')[]): MetricsInteger<P>;
    /**
     * Define the metrics to be returned for a NUMBER or NUMBER_ARRAY property when aggregating over a collection.
     *
     * If none of the arguments are provided then all metrics will be returned.
     *
     * @param {('count' | 'maximum' | 'mean' | 'median' | 'minimum' | 'mode' | 'sum')[]} metrics The metrics to return.
     * @returns {MetricsNumber<P>} The metrics for the property.
     */
    number(metrics?: ('count' | 'maximum' | 'mean' | 'median' | 'minimum' | 'mode' | 'sum')[]): MetricsNumber<P>;
    /**
     * Define the metrics to be returned for a TEXT or TEXT_ARRAY property when aggregating over a collection.
     *
     * If none of the arguments are provided then all metrics will be returned.
     *
     * @param {('count' | 'topOccurrencesOccurs' | 'topOccurrencesValue')[]} metrics The metrics to return.
     * @param {number} [minOccurrences] The how many top occurrences to return.
     * @returns {MetricsText<P>} The metrics for the property.
     */
    text(metrics?: ('count' | 'topOccurrencesOccurs' | 'topOccurrencesValue')[], minOccurrences?: number): MetricsText<P>;
}
type KindToAggregateType<K> = K extends 'text' ? AggregateText : K extends 'date' ? AggregateDate : K extends 'integer' ? AggregateNumber : K extends 'number' ? AggregateNumber : K extends 'boolean' ? AggregateBoolean : K extends 'reference' ? AggregateReference : never;
export type AggregateType = AggregateBoolean | AggregateDate | AggregateNumber | AggregateText;
export type AggregateResult<T, M extends PropertiesMetrics<T> | undefined = undefined> = {
    properties: T extends undefined ? Record<string, AggregateType> : M extends MetricsInput<keyof T & string>[] ? {
        [K in M[number] as K['propertyName']]: KindToAggregateType<K['kind']>;
    } : M extends MetricsInput<keyof T & string> ? {
        [K in M as K['propertyName']]: KindToAggregateType<K['kind']>;
    } : undefined;
    totalCount: number;
};
export type AggregatedGeoCoordinate = {
    latitude: number;
    longitude: number;
    distance: number;
};
export type AggregateGroupByResult<T, M extends PropertiesMetrics<T> | undefined = undefined> = AggregateResult<T, M> & {
    groupedBy: {
        prop: string;
        value: string | number | boolean | AggregatedGeoCoordinate | string[] | number[] | boolean[];
    };
};
declare class AggregateManager<T, V> implements Aggregate<T, V> {
    connection: Connection;
    groupBy: AggregateGroupBy<T, V>;
    name: string;
    dbVersionSupport: DbVersionSupport;
    consistencyLevel?: ConsistencyLevel;
    tenant?: string;
    grpcChecker: Promise<boolean>;
    private constructor();
    private grpc;
    private gql;
    base(metrics?: PropertiesMetrics<T>, filters?: FilterValue, groupBy?: PropertyOf<T> | GroupByAggregate<T>): Aggregator;
    metrics(metrics: MetricsInput<(keyof T & string) | string>): string;
    static use<T, V>(connection: Connection, name: string, dbVersionSupport: DbVersionSupport, consistencyLevel?: ConsistencyLevel, tenant?: string): AggregateManager<T, V>;
    hybrid<M extends PropertiesMetrics<T>>(query: string, opts?: AggregateHybridOptions<T, M, V>): Promise<AggregateResult<T, M>>;
    nearImage<M extends PropertiesMetrics<T>>(image: string | Buffer, opts?: AggregateNearOptions<M, V>): Promise<AggregateResult<T, M>>;
    nearObject<M extends PropertiesMetrics<T>>(id: string, opts?: AggregateNearOptions<M, V>): Promise<AggregateResult<T, M>>;
    nearText<M extends PropertiesMetrics<T>>(query: string | string[], opts?: AggregateNearOptions<M, V>): Promise<AggregateResult<T, M>>;
    nearVector<M extends PropertiesMetrics<T>>(vector: NearVectorInputType, opts?: AggregateNearOptions<M, V>): Promise<AggregateResult<T, M>>;
    overAll<M extends PropertiesMetrics<T>>(opts?: AggregateOverAllOptions<M>): Promise<AggregateResult<T, M>>;
    do: <M extends PropertiesMetrics<T> | undefined = undefined>(query: Aggregator) => Promise<AggregateResult<T, M>>;
    doGroupBy: <M extends PropertiesMetrics<T> | undefined = undefined>(query: Aggregator) => Promise<AggregateGroupByResult<T, M>[]>;
}
export interface Aggregate<T, V> {
    /** This namespace contains methods perform a group by search while aggregating metrics. */
    groupBy: AggregateGroupBy<T, V>;
    /**
     * Aggregate metrics over the objects returned by a hybrid search on this collection.
     *
     * This method requires that the objects in the collection have associated vectors.
     *
     * @param {string} query The text query to search for.
     * @param {AggregateHybridOptions<T, M>} opts The options for the request.
     * @returns {Promise<AggregateResult<T, M>[]>} The aggregated metrics for the objects returned by the vector search.
     */
    hybrid<M extends PropertiesMetrics<T>>(query: string, opts?: AggregateHybridOptions<T, M, V>): Promise<AggregateResult<T, M>>;
    /**
     * Aggregate metrics over the objects returned by a near image vector search on this collection.
     *
     * At least one of `certainty`, `distance`, or `object_limit` must be specified here for the vector search.
     *
     * This method requires a vectorizer capable of handling base64-encoded images, e.g. `img2vec-neural`, `multi2vec-clip`, and `multi2vec-bind`.
     *
     * @param {string | Buffer} image The image to search on. This can be a base64 string, a file path string, or a buffer.
     * @param {AggregateNearOptions<T, M>} [opts] The options for the request.
     * @returns {Promise<AggregateResult<T, M>[]>} The aggregated metrics for the objects returned by the vector search.
     */
    nearImage<M extends PropertiesMetrics<T>>(image: string | Buffer, opts?: AggregateNearOptions<M, V>): Promise<AggregateResult<T, M>>;
    /**
     * Aggregate metrics over the objects returned by a near object search on this collection.
     *
     * At least one of `certainty`, `distance`, or `object_limit` must be specified here for the vector search.
     *
     * This method requires that the objects in the collection have associated vectors.
     *
     * @param {string} id The ID of the object to search for.
     * @param {AggregateNearOptions<T, M>} [opts] The options for the request.
     * @returns {Promise<AggregateResult<T, M>[]>} The aggregated metrics for the objects returned by the vector search.
     */
    nearObject<M extends PropertiesMetrics<T>>(id: string, opts?: AggregateNearOptions<M, V>): Promise<AggregateResult<T, M>>;
    /**
     * Aggregate metrics over the objects returned by a near vector search on this collection.
     *
     * At least one of `certainty`, `distance`, or `object_limit` must be specified here for the vector search.
     *
     * This method requires that the objects in the collection have associated vectors.
     *
     * @param {number[]} query The text query to search for.
     * @param {AggregateNearOptions<T, M>} [opts] The options for the request.
     * @returns {Promise<AggregateResult<T, M>[]>} The aggregated metrics for the objects returned by the vector search.
     */
    nearText<M extends PropertiesMetrics<T>>(query: string | string[], opts?: AggregateNearOptions<M, V>): Promise<AggregateResult<T, M>>;
    /**
     * Aggregate metrics over the objects returned by a near vector search on this collection.
     *
     * At least one of `certainty`, `distance`, or `object_limit` must be specified here for the vector search.
     *
     * This method requires that the objects in the collection have associated vectors.
     *
     * @param {number[]} vector The vector to search for.
     * @param {AggregateNearOptions<T, M>} [opts] The options for the request.
     * @returns {Promise<AggregateResult<T, M>[]>} The aggregated metrics for the objects returned by the vector search.
     */
    nearVector<M extends PropertiesMetrics<T>>(vector: number[], opts?: AggregateNearOptions<M, V>): Promise<AggregateResult<T, M>>;
    /**
     * Aggregate metrics over all the objects in this collection without any vector search.
     *
     * @param {AggregateOptions<T, M>} [opts] The options for the request.
     * @returns {Promise<AggregateResult<T, M>[]>} The aggregated metrics for the objects in the collection.
     */
    overAll<M extends PropertiesMetrics<T>>(opts?: AggregateOverAllOptions<M>): Promise<AggregateResult<T, M>>;
}
export interface AggregateGroupBy<T, V> {
    /**
     * Aggregate metrics over the objects grouped by a specified property and returned by a hybrid search on this collection.
     *
     * This method requires that the objects in the collection have associated vectors.
     *
     * @param {string} query The text query to search for.
     * @param {AggregateGroupByHybridOptions<T, M>} opts The options for the request.
     * @returns {Promise<AggregateGroupByResult<T, M>[]>} The aggregated metrics for the objects returned by the vector search.
     */
    hybrid<M extends PropertiesMetrics<T>>(query: string, opts: AggregateGroupByHybridOptions<T, M, V>): Promise<AggregateGroupByResult<T, M>[]>;
    /**
     * Aggregate metrics over the objects grouped by a specified property and returned by a near image vector search on this collection.
     *
     * At least one of `certainty`, `distance`, or `object_limit` must be specified here for the vector search.
     *
     * This method requires a vectorizer capable of handling base64-encoded images, e.g. `img2vec-neural`, `multi2vec-clip`, and `multi2vec-bind`.
     *
     * @param {string | Buffer} image The image to search on. This can be a base64 string, a file path string, or a buffer.
     * @param {AggregateGroupByNearOptions<T, M>} opts The options for the request.
     * @returns {Promise<AggregateGroupByResult<T, M>[]>} The aggregated metrics for the objects returned by the vector search.
     */
    nearImage<M extends PropertiesMetrics<T>>(image: string | Buffer, opts: AggregateGroupByNearOptions<T, M, V>): Promise<AggregateGroupByResult<T, M>[]>;
    /**
     * Aggregate metrics over the objects grouped by a specified property and returned by a near object search on this collection.
     *
     * At least one of `certainty`, `distance`, or `object_limit` must be specified here for the vector search.
     *
     * This method requires that the objects in the collection have associated vectors.
     *
     * @param {string} id The ID of the object to search for.
     * @param {AggregateGroupByNearOptions<T, M>} opts The options for the request.
     * @returns {Promise<AggregateGroupByResult<T, M>[]>} The aggregated metrics for the objects returned by the vector search.
     */
    nearObject<M extends PropertiesMetrics<T>>(id: string, opts: AggregateGroupByNearOptions<T, M, V>): Promise<AggregateGroupByResult<T, M>[]>;
    /**
     * Aggregate metrics over the objects grouped by a specified property and returned by a near text vector search on this collection.
     *
     * At least one of `certainty`, `distance`, or `object_limit` must be specified here for the vector search.
     *
     * This method requires a vectorizer capable of handling text, e.g. `text2vec-contextionary`, `text2vec-openai`, etc.
     *
     * @param {string | string[]} query The text to search for.
     * @param {AggregateGroupByNearOptions<T, M>} opts The options for the request.
     * @returns {Promise<AggregateGroupByResult<T, M>[]>} The aggregated metrics for the objects returned by the vector search.
     */
    nearText<M extends PropertiesMetrics<T>>(query: string | string[], opts: AggregateGroupByNearOptions<T, M, V>): Promise<AggregateGroupByResult<T, M>[]>;
    /**
     * Aggregate metrics over the objects grouped by a specified property and returned by a near vector search on this collection.
     *
     * At least one of `certainty`, `distance`, or `object_limit` must be specified here for the vector search.
     *
     * This method requires that the objects in the collection have associated vectors.
     *
     * @param {number[]} vector The vector to search for.
     * @param {AggregateGroupByNearOptions<T, M>} opts The options for the request.
     * @returns {Promise<AggregateGroupByResult<T, M>[]>} The aggregated metrics for the objects returned by the vector search.
     */
    nearVector<M extends PropertiesMetrics<T>>(vector: number[], opts: AggregateGroupByNearOptions<T, M, V>): Promise<AggregateGroupByResult<T, M>[]>;
    /**
     * Aggregate metrics over all the objects in this collection grouped by a specified property without any vector search.
     *
     * @param {AggregateGroupByOptions<T, M>} [opts] The options for the request.
     * @returns {Promise<AggregateGroupByResult<T, M>[]>} The aggregated metrics for the objects in the collection.
     */
    overAll<M extends PropertiesMetrics<T>>(opts?: AggregateGroupByOptions<T, M>): Promise<AggregateGroupByResult<T, M>[]>;
}
declare const _default: typeof AggregateManager.use;
export default _default;