/// <reference types="node" />
declare module '@ioc:Adonis/Lucid/Database' {
    import { Knex } from 'knex';
    import { DialectContract, QueryClientContract, TransactionClientContract } from '@ioc:Adonis/Lucid/Database';
    /**
     * Extracted from ts-essentials
     */
    type Dictionary<T, K extends string | number = string> = {
        [key in K]: T;
    };
    /**
     * Get one or many of a generic
     */
    type OneOrMany<T> = T | T[];
    /**
     * Allowing a generic value along with raw query instance or a subquery
     * instance
     */
    type ValueWithSubQueries<T> = T | ChainableContract | RawQuery;
    /**
     * Acceptable raw queries
     */
    type RawQuery = RawBuilderContract | RawQueryBuilderContract | Knex.Raw | Knex.RawQueryBuilder;
    /**
     * A known set of values allowed when defining values for different
     * clauses
     */
    type StrictValues = string | number | boolean | Date | Array<string> | Array<number> | Array<Date> | Array<boolean> | Buffer | RawQuery | ReferenceBuilderContract;
    /**
     * Strict set of allowed values except the raw queries
     */
    type StrictValuesWithoutRaw = Exclude<StrictValues, RawQuery>;
    /**
     * Shape of raw query bindings
     */
    type RawQueryBindings = {
        [key: string]: StrictValues;
    } | StrictValues[];
    /**
     * A builder method to allow raw queries. However, the return type is the
     * instance of current query builder. This is used for `.{verb}Raw` methods.
     */
    interface RawQueryFn<Builder extends ChainableContract> {
        (sql: string | RawQuery): Builder;
        (sql: string, bindings: RawQueryBindings): Builder;
    }
    /**
     * Query callback is used to write wrapped queries. We get rid of `this` from
     * knex, since it makes everything confusing.
     */
    type QueryCallback<Builder> = (builder: Builder) => void;
    /**
     * Shape of the function accepted by the chainable query builder to
     * pass lucid query builder to wrapped callbacks like
     * `.where(function () {})`.
     *
     * - This method will accept the wrapped callback
     * - Return a new method, that is accepted by Knex.
     * - When knex calls that method, this method will invoke the user wrapped
     *   callback, but instead of passing the knex query builder, it will
     *   pass the appropriate lucid query builder.
     */
    type DBQueryCallback = (userFn: QueryCallback<ChainableContract>, keysResolver?: (columnName: string) => string) => (builder: Knex.QueryBuilder) => void;
    /**
     * Possible signatures for a select method on database query builder.
     */
    interface DatabaseQueryBuilderSelect<Builder extends ChainableContract> {
        /**
         * Selecting columns as a dictionary with key as the alias and value is
         * the original column.
         */
        (columns: Dictionary<string, string>): Builder;
        /**
         * An array of values with subqueries
         */
        (columns: ValueWithSubQueries<string | number>[]): Builder;
        /**
         * A spread of array arguments
         */
        (...columns: ValueWithSubQueries<string | number>[]): Builder;
        /**
         * Wildcard selector.
         */
        (column: '*'): Builder;
    }
    /**
     * Possible signatures for adding a where clause
     */
    interface Where<Builder extends ChainableContract> {
        /**
         * Callback for wrapped clauses
         */
        (callback: QueryCallback<Builder>): Builder;
        /**
         * Passing an object of named key-value pair
         */
        (clause: Dictionary<any, string>): Builder;
        /**
         * Key-value pair. The value can also be a subquery
         */
        (key: string | RawQuery, value: StrictValues | ChainableContract): Builder;
        (key: string | RawQuery, operator: string, value: StrictValues | ChainableContract): Builder;
    }
    /**
     * Possible signatures for adding a where column clause
     */
    interface WhereColumn<Builder extends ChainableContract> {
        /**
         * Key-value pair.
         */
        (column: string | RawQuery, comparisonColumn: string): Builder;
        (column: string | RawQuery, operator: string, comparisonColumn: string): Builder;
    }
    /**
     * Possible signatures for adding where in clause.
     */
    interface WhereIn<Builder extends ChainableContract> {
        /**
         * Column name and array of values
         */
        (K: string | RawQuery, value: StrictValues[]): Builder;
        /**
         * Column names and array of values as an 2d array
         */
        (K: string[], value: StrictValues[][]): Builder;
        /**
         * Column name with a subquery for a callback that yields an array of
         * results
         */
        (k: string | RawQuery, subquery: ChainableContract | QueryCallback<Builder> | RawBuilderContract | RawQuery): Builder;
        /**
         * Column names along with a subquery that yields an array
         */
        (k: string[], subquery: ChainableContract | RawBuilderContract | RawQuery): Builder;
    }
    /**
     * Possible signatures for adding whereNull clause.
     */
    interface WhereNull<Builder extends ChainableContract> {
        (key: string | RawQuery): Builder;
    }
    /**
     * Possibles signatures for adding a where exists clause
     */
    interface WhereExists<Builder extends ChainableContract> {
        (callback: QueryCallback<Builder> | ChainableContract | RawBuilderContract | RawQuery): Builder;
    }
    /**
     * Possibles signatures for adding a where between clause
     */
    interface WhereBetween<Builder extends ChainableContract> {
        /**
         * Accept any string as a key for supporting prefix columns
         */
        (key: string | RawQuery, value: [StrictValues | ChainableContract, StrictValues | ChainableContract]): Builder;
    }
    /**
     * Possible signatures for join query
     */
    interface Join<Builder extends ChainableContract> {
        /**
         * Defining the join table with primary and secondary columns
         * to match
         */
        (table: string, primaryColumn: string, secondaryColumn: string): Builder;
        /**
         * Defining the join table with primary and secondary columns
         * to match, where secondary column is output of a raw query
         */
        (table: string, primaryColumn: string, raw: RawQuery): Builder;
        /**
         * Defining the join table with primary and secondary columns
         * to match with a custom operator
         */
        (table: string, primaryColumn: string, operator: string, secondaryColumn: string): Builder;
        /**
         * Join with a callback. The callback receives an array of join class from
         * knex directly.
         */
        (table: string, callback: Knex.JoinCallback): Builder;
    }
    /**
     * Possible signatures for a distinct clause
     */
    interface Distinct<Builder extends ChainableContract> {
        (columns: string[]): Builder;
        (...columns: string[]): Builder;
        (column: '*'): Builder;
    }
    /**
     * The signatures are same as the `distinct` method. For subqueries and
     * raw queries, one must use `groupByRaw`.
     */
    interface GroupBy<Builder extends ChainableContract> extends Distinct<Builder> {
    }
    /**
     * Possible signatures for aggregate functions. Aggregates will push to the
     * result set. Unlike knex, we force defining aliases for each aggregate.
     */
    interface Aggregate<Builder extends ChainableContract> {
        /**
         * Accepting column with the alias for the count.
         */
        (column: OneOrMany<ValueWithSubQueries<string>>, alias?: string): Builder;
        /**
         * Accepting an object for multiple counts in a single query.
         */
        (columns: Dictionary<OneOrMany<ValueWithSubQueries<string>>, string>): Builder;
    }
    /**
     * Possible signatures for orderBy method.
     */
    interface OrderBy<Builder extends ChainableContract> {
        /**
         * Order by a column and optional direction
         */
        (column: string | ChainableContract | RawBuilderContract | RawQuery, direction?: 'asc' | 'desc'): Builder;
        /**
         * Order by multiple columns in default direction
         */
        (columns: string[]): Builder;
        /**
         * Order by multiple columns and custom direction for each of them
         */
        (columns: {
            column: string | ChainableContract | RawBuilderContract | RawQuery;
            order?: 'asc' | 'desc';
        }[]): Builder;
    }
    /**
     * Possible signatures for a union clause
     */
    interface Union<Builder extends ChainableContract> {
        (callback: OneOrMany<QueryCallback<Builder>>, wrap?: boolean): Builder;
        (subquery: OneOrMany<ChainableContract | RawQuery>, wrap?: boolean): Builder;
    }
    /**
     * Same signature as union
     */
    interface UnionAll<Builder extends ChainableContract> extends Union<Builder> {
    }
    /**
     * Same signature as union
     */
    interface Intersect<Builder extends ChainableContract> extends Union<Builder> {
    }
    /**
     * Possible signatures for having clause
     */
    interface Having<Builder extends ChainableContract> {
        /**
         * A subquery callback
         */
        (callback: QueryCallback<Builder> | RawBuilderContract | RawQuery): Builder;
        /**
         * Key operator and value. Value can be a subquery as well
         */
        (key: string | RawQuery, operator: string, value: StrictValues | ChainableContract | RawBuilderContract | RawQuery): Builder;
    }
    /**
     * Possible signatures for `having in` clause.
     */
    interface HavingIn<Builder extends ChainableContract> {
        /**
         * Key and an array of literal values, raw queries or
         * subqueries.
         */
        (key: string | RawQuery, value: (StrictValues | ChainableContract | RawBuilderContract | RawQuery)[]): Builder;
        /**
         * Key, along with a query callback
         */
        (key: string | RawQuery, callback: QueryCallback<Builder>): Builder;
    }
    /**
     * Possible signatures for `having null` clause
     */
    interface HavingNull<Builder extends ChainableContract> extends WhereNull<Builder> {
    }
    /**
     * Possible signatures for `having exists` clause
     */
    interface HavingExists<Builder extends ChainableContract> {
        /**
         * A query callback or a sub query
         */
        (callback: QueryCallback<Builder> | ChainableContract): Builder;
    }
    /**
     * Possible signatures for having between
     */
    interface HavingBetween<Builder extends ChainableContract> extends WhereBetween<Builder> {
    }
    /**
     * Possible signatures of `with` CTE
     */
    interface With<Builder extends ChainableContract> {
        (alias: string, query: RawQuery | ChainableContract | QueryCallback<Builder>): Builder;
    }
    /**
     * Possible signatures for defining table for a select query.
     */
    interface FromTable<Builder extends ChainableContract> {
        (table: string | Dictionary<string, string> | QueryCallback<Builder> | ChainableContract): Builder;
    }
    /**
     * Possible signatures for the `returning` method.
     */
    interface Returning<Builder> {
        (column: OneOrMany<string>): Builder;
    }
    /**
     * Possible signatures for performing an update
     */
    interface Update<Builder extends ChainableContract> {
        /**
         * Accepts an array of object of named key/value pair and returns an array
         * of Generic return columns.
         */
        (values: Dictionary<any, string>, returning?: OneOrMany<string>): Builder;
        /**
         * Accepts a key-value pair to update.
         */
        (column: string, value: any, returning?: OneOrMany<string>): Builder;
    }
    /**
     * Possible signatures for incrementing/decrementing
     * values
     */
    interface Counter<Builder extends ChainableContract> {
        (column: string, counter?: number): Builder;
        (values: Dictionary<number, string>): Builder;
    }
    /**
     * Possible signatures for an insert query
     */
    interface Insert<Builder extends InsertQueryBuilderContract> {
        (values: Dictionary<any, string>): Builder;
    }
    /**
     * Possible signatures for doing multiple inserts in a single query
     */
    interface MultiInsert<Builder extends InsertQueryBuilderContract> {
        (values: Dictionary<any, string>[]): Builder;
    }
    /**
     * The chainable contract has all the methods that can be chained
     * to build a query. This interface will never have any
     * methods to execute a query.
     */
    interface ChainableContract {
        knexQuery: Knex.QueryBuilder;
        columns: (string | Knex.QueryBuilder | Knex.RawQueryBuilder)[];
        subQueryAlias?: string;
        hasAggregates: boolean;
        hasGroupBy: boolean;
        hasUnion: boolean;
        keysResolver?: (columnName: string) => string;
        from: FromTable<this>;
        select: DatabaseQueryBuilderSelect<this>;
        wrapExisting(): this;
        where: Where<this>;
        orWhere: Where<this>;
        andWhere: Where<this>;
        whereNot: Where<this>;
        orWhereNot: Where<this>;
        andWhereNot: Where<this>;
        whereColumn: WhereColumn<this>;
        orWhereColumn: WhereColumn<this>;
        andWhereColumn: WhereColumn<this>;
        whereNotColumn: WhereColumn<this>;
        orWhereNotColumn: WhereColumn<this>;
        andWhereNotColumn: WhereColumn<this>;
        whereIn: WhereIn<this>;
        orWhereIn: WhereIn<this>;
        andWhereIn: WhereIn<this>;
        whereNotIn: WhereIn<this>;
        orWhereNotIn: WhereIn<this>;
        andWhereNotIn: WhereIn<this>;
        whereNull: WhereNull<this>;
        orWhereNull: WhereNull<this>;
        andWhereNull: WhereNull<this>;
        whereNotNull: WhereNull<this>;
        orWhereNotNull: WhereNull<this>;
        andWhereNotNull: WhereNull<this>;
        whereExists: WhereExists<this>;
        orWhereExists: WhereExists<this>;
        andWhereExists: WhereExists<this>;
        whereNotExists: WhereExists<this>;
        orWhereNotExists: WhereExists<this>;
        andWhereNotExists: WhereExists<this>;
        whereBetween: WhereBetween<this>;
        orWhereBetween: WhereBetween<this>;
        andWhereBetween: WhereBetween<this>;
        whereNotBetween: WhereBetween<this>;
        orWhereNotBetween: WhereBetween<this>;
        andWhereNotBetween: WhereBetween<this>;
        whereRaw: RawQueryFn<this>;
        orWhereRaw: RawQueryFn<this>;
        andWhereRaw: RawQueryFn<this>;
        join: Join<this>;
        innerJoin: Join<this>;
        leftJoin: Join<this>;
        leftOuterJoin: Join<this>;
        rightJoin: Join<this>;
        rightOuterJoin: Join<this>;
        fullOuterJoin: Join<this>;
        crossJoin: Join<this>;
        joinRaw: RawQueryFn<this>;
        having: Having<this>;
        orHaving: Having<this>;
        andHaving: Having<this>;
        havingIn: HavingIn<this>;
        orHavingIn: HavingIn<this>;
        andHavingIn: HavingIn<this>;
        havingNotIn: HavingIn<this>;
        orHavingNotIn: HavingIn<this>;
        andHavingNotIn: HavingIn<this>;
        havingNull: HavingNull<this>;
        orHavingNull: HavingNull<this>;
        andHavingNull: HavingNull<this>;
        havingNotNull: HavingNull<this>;
        orHavingNotNull: HavingNull<this>;
        andHavingNotNull: HavingNull<this>;
        havingExists: HavingExists<this>;
        orHavingExists: HavingExists<this>;
        andHavingExists: HavingExists<this>;
        havingNotExists: HavingExists<this>;
        orHavingNotExists: HavingExists<this>;
        andHavingNotExists: HavingExists<this>;
        havingBetween: HavingBetween<this>;
        orHavingBetween: HavingBetween<this>;
        andHavingBetween: HavingBetween<this>;
        havingNotBetween: HavingBetween<this>;
        orHavingNotBetween: HavingBetween<this>;
        andHavingNotBetween: HavingBetween<this>;
        havingRaw: RawQueryFn<this>;
        orHavingRaw: RawQueryFn<this>;
        andHavingRaw: RawQueryFn<this>;
        distinct: Distinct<this>;
        distinctOn: Distinct<this>;
        groupBy: GroupBy<this>;
        groupByRaw: RawQueryFn<this>;
        orderBy: OrderBy<this>;
        orderByRaw: RawQueryFn<this>;
        union: Union<this>;
        unionAll: UnionAll<this>;
        intersect: Intersect<this>;
        with: With<this>;
        withRecursive: With<this>;
        withSchema(schema: string): this;
        as(name: string): this;
        offset(offset: number): this;
        limit(limit: number): this;
        clearSelect(): this;
        clearWhere(): this;
        clearOrder(): this;
        clearHaving(): this;
        clearLimit(): this;
        clearOffset(): this;
        forUpdate(...tableNames: string[]): this;
        forShare(...tableNames: string[]): this;
        skipLocked(): this;
        noWait(): this;
        /**
         * Executes the callback when condition is truthy
         */
        if(condition: any, matchCallback: (query: this) => any, noMatchCallback?: (query: this) => any): this;
        /**
         * Executes the callback when condition is falsy
         */
        unless(condition: any, matchCallback: (query: this) => any, noMatchCallback?: (query: this) => any): this;
        /**
         * Write blocks to match from
         */
        match(...blocks: ([condition: any, callback: (query: this) => any] | ((query: this) => any))[]): this;
    }
    /**
     * Shape of the raw query that can also be passed as a value to
     * other queries
     */
    interface RawQueryBuilderContract<Result = any> extends ExcutableQueryBuilderContract<Result> {
        knexQuery: Knex.Raw;
        client: QueryClientContract;
        wrap(before: string, after: string): this;
    }
    /**
     * Reference builder
     */
    interface ReferenceBuilderContract {
        withSchema(name: string): this;
        as(name: string): this;
        toKnex(client: Knex.Client): Knex.Ref<string, any>;
    }
    /**
     * Static raw builder
     */
    interface RawBuilderContract {
        wrap(before: string, after: string): this;
        toKnex(client: Knex.Client): Knex.Raw;
    }
    /**
     * The keys for the simple paginator meta
     * data
     */
    type SimplePaginatorMetaKeys = {
        total: string;
        perPage: string;
        currentPage: string;
        lastPage: string;
        firstPage: string;
        firstPageUrl: string;
        lastPageUrl: string;
        nextPageUrl: string;
        previousPageUrl: string;
    };
    /**
     * Shape of the simple paginator that works with offset and limit
     */
    interface SimplePaginatorContract<Result> extends Array<Result> {
        all(): Result[];
        readonly firstPage: number;
        readonly perPage: number;
        readonly currentPage: number;
        readonly lastPage: number;
        readonly hasPages: boolean;
        readonly hasMorePages: boolean;
        readonly isEmpty: boolean;
        readonly total: number;
        readonly hasTotal: boolean;
        namingStrategy: {
            paginationMetaKeys(): SimplePaginatorMetaKeys;
        };
        baseUrl(url: string): this;
        queryString(values: {
            [key: string]: any;
        }): this;
        getUrl(page: number): string;
        getMeta(): any;
        getNextPageUrl(): string | null;
        getPreviousPageUrl(): string | null;
        getUrlsForRange(start: number, end: number): {
            url: string;
            page: number;
            isActive: boolean;
        }[];
        toJSON(): {
            meta: any;
            data: Result[];
        };
    }
    /**
     * Database query builder exposes the API to construct SQL query using fluent
     * chainable API
     */
    interface DatabaseQueryBuilderContract<Result = Dictionary<any, string>> extends ChainableContract, ExcutableQueryBuilderContract<Result[]> {
        client: QueryClientContract;
        returning: Returning<this>;
        /**
         * Clone current query
         */
        clone<ClonedResult = Result>(): DatabaseQueryBuilderContract<ClonedResult>;
        /**
         * Execute and get first result
         */
        first(): Promise<Result | null>;
        /**
         * Execute and get first result or fail
         */
        firstOrFail(): Promise<Result>;
        /**
         * Perform delete operation
         */
        del(returning?: OneOrMany<string>): this;
        delete(returning?: OneOrMany<string>): this;
        /**
         * A shorthand to define limit and offset based upon the
         * current page
         */
        forPage(page: number, perPage?: number): this;
        /**
         * Execute query with pagination
         */
        paginate(page: number, perPage?: number): Promise<SimplePaginatorContract<Result>>;
        /**
         * Mutations (update and increment can be one query aswell)
         */
        update: Update<this>;
        increment: Counter<this>;
        decrement: Counter<this>;
        /**
         * Aggregates
         */
        count: Aggregate<this>;
        countDistinct: Aggregate<this>;
        min: Aggregate<this>;
        max: Aggregate<this>;
        sum: Aggregate<this>;
        sumDistinct: Aggregate<this>;
        avg: Aggregate<this>;
        avgDistinct: Aggregate<this>;
        /**
         * Executes the callback when dialect matches one of the mentioned
         * dialects
         */
        ifDialect(dialect: DialectContract['name'] | DialectContract['name'][], matchCallback: (query: this) => any, noMatchCallback?: (query: this) => any): this;
        /**
         * Executes the callback when dialect matches doesn't all the mentioned
         * dialects
         */
        unlessDialect(dialect: DialectContract['name'] | DialectContract['name'][], matchCallback: (query: this) => any, noMatchCallback?: (query: this) => any): this;
    }
    /**
     * Insert query builder to perform database inserts.
     */
    interface InsertQueryBuilderContract<Result = any> extends ExcutableQueryBuilderContract<Result> {
        knexQuery: Knex.QueryBuilder;
        client: QueryClientContract;
        /**
         * Table for the insert query
         */
        table(table: string): this;
        withSchema(schema: string): this;
        /**
         * Define returning columns
         */
        returning: Returning<this>;
        /**
         * Inserting a single record.
         */
        insert: Insert<this>;
        /**
         * Inserting multiple columns at once
         */
        multiInsert: MultiInsert<this>;
    }
    /**
     * A executable query builder will always have these methods on it.
     */
    interface ExcutableQueryBuilderContract<Result> extends Promise<Result> {
        debug(debug: boolean): this;
        timeout(time: number, options?: {
            cancel: boolean;
        }): this;
        useTransaction(trx: TransactionClientContract): this;
        reporterData(data: any): this;
        toQuery(): string;
        exec(): Promise<Result>;
        toSQL(): Knex.Sql;
    }
}