import { UpdateQuery } from '../models/UpdateQuery';
import { DeleteQuery } from '../models/DeleteQuery';
import { MergeQuery } from '../models/MergeQuery';
import { BinarySelectQuery, SelectQuery, SimpleSelectQuery } from "../models/SelectQuery";
import { CreateTableQuery } from "../models/CreateTableQuery";
import { InsertQuery } from "../models/InsertQuery";
import type { InsertQueryConversionOptions, UpdateQueryConversionOptions, DeleteQueryConversionOptions, MergeQueryConversionOptions } from "../models/SelectQuery";
import { InsertResultSelectOptions } from "./InsertResultSelectConverter";
import { UpdateResultSelectOptions } from "./UpdateResultSelectConverter";
import { DeleteResultSelectOptions } from "./DeleteResultSelectConverter";
import { MergeResultSelectOptions } from "./MergeResultSelectConverter";
/**
 * QueryBuilder provides static methods to build or convert various SQL query objects.
 */
export declare class QueryBuilder {
    /**
     * Builds a BinarySelectQuery by combining an array of SelectQuery using the specified operator.
     * Throws if less than two queries are provided.
     * @param queries Array of SelectQuery to combine
     * @param operator SQL operator to use (e.g. 'union', 'union all', 'intersect', 'except')
     * @returns BinarySelectQuery
     */
    static buildBinaryQuery(queries: SelectQuery[], operator: string): BinarySelectQuery;
    private constructor();
    /**
     * Converts a SELECT query to a standard SimpleSelectQuery form.
     * @param query The query to convert
     * @returns A SimpleSelectQuery
     */
    static buildSimpleQuery(query: SelectQuery): SimpleSelectQuery;
    private static buildSimpleBinaryQuery;
    /**
     * Extracts ORDER BY clause from the rightmost query in a binary query tree and removes it.
     * This clarifies the semantics by moving the ORDER BY from the ambiguous position
     * in the UNION to the explicit outer SimpleSelectQuery level.
     *
     * NOTE: ORDER BY in UNION context applies to the entire result set, not individual subqueries.
     * Therefore, table prefixes (e.g., "a.column") in ORDER BY are invalid SQL and would cause
     * syntax errors. Valid ORDER BY clauses should only reference column names without prefixes
     * or use positional notation (ORDER BY 1, 2). Since we only process valid SQL, the current
     * implementation correctly handles legitimate cases without additional prefix processing.
     *
     * @param query BinarySelectQuery to process
     * @returns Extracted OrderByClause or null if none found
     */
    private static extractAndRemoveOrderByFromBinaryQuery;
    /**
     * Recursively finds and removes ORDER BY from the rightmost query in a binary tree.
     *
     * @param query Current query being processed
     * @returns Extracted OrderByClause or null
     */
    private static findAndRemoveRightmostOrderBy;
    /**
     * Converts a ValuesQuery to a SimpleSelectQuery with sequentially numbered columns or user-specified columns
     *
     * @param query The VALUES query to convert
     * @param columns Optional: column names
     * @returns A SimpleSelectQuery
     */
    private static buildSimpleValuesQuery;
    /**
     * Creates a SELECT clause with a single * (all columns) item
     *
     * @returns A SELECT clause with *
     */
    private static createSelectAllClause;
    /**
     * Converts a SELECT query to a CREATE TABLE query (CREATE [TEMPORARY] TABLE ... AS SELECT ...)
     * @param query The SELECT query to use as the source
     * @param tableName The name of the table to create
     * @param isTemporary If true, creates a temporary table
     * @returns A CreateTableQuery instance
     */
    static buildCreateTableQuery(query: SelectQuery, tableName: string, isTemporary?: boolean, ifNotExists?: boolean): CreateTableQuery;
    /**
     * Converts a SELECT query to an INSERT query (INSERT INTO ... SELECT ...).
     */
    static buildInsertQuery(selectQuery: SimpleSelectQuery, targetOrOptions: string | InsertQueryConversionOptions, explicitColumns?: string[]): InsertQuery;
    /**
     * Converts an INSERT ... VALUES query into INSERT ... SELECT form using UNION ALL.
     * @param insertQuery The VALUES-based InsertQuery to convert.
     * @returns A new InsertQuery that selects rows instead of using VALUES.
     */
    static convertInsertValuesToSelect(insertQuery: InsertQuery): InsertQuery;
    /**
     * Converts an INSERT ... SELECT (optionally with UNION ALL) into INSERT ... VALUES form.
     * @param insertQuery The SELECT-based InsertQuery to convert.
     * @returns A new InsertQuery that uses VALUES tuples.
     */
    static convertInsertSelectToValues(insertQuery: InsertQuery): InsertQuery;
    /**
     * Builds a SELECT query that reflects the INSERT's RETURNING output (or count when RETURNING is absent).
     */
    static convertInsertToReturningSelect(insertQuery: InsertQuery, options?: InsertResultSelectOptions): SimpleSelectQuery;
    static convertUpdateToReturningSelect(updateQuery: UpdateQuery, options?: UpdateResultSelectOptions): SimpleSelectQuery;
    static convertDeleteToReturningSelect(deleteQuery: DeleteQuery, options?: DeleteResultSelectOptions): SimpleSelectQuery;
    static convertMergeToReturningSelect(mergeQuery: MergeQuery, options?: MergeResultSelectOptions): SimpleSelectQuery;
    /**
     * Builds an UPDATE query from a SELECT query and conversion options.
     */
    static buildUpdateQuery(selectQuery: SimpleSelectQuery, selectSourceOrOptions: string | UpdateQueryConversionOptions, updateTableExprRaw?: string, primaryKeys?: string | string[]): UpdateQuery;
    /**
     * Builds a DELETE query that deletes the rows matched by the SELECT query output.
     */
    static buildDeleteQuery(selectQuery: SimpleSelectQuery, options: DeleteQueryConversionOptions): DeleteQuery;
    /**
     * Builds a MERGE query (upsert) that coordinates actions based on row matches.
     */
    static buildMergeQuery(selectQuery: SimpleSelectQuery, options: MergeQueryConversionOptions): MergeQuery;
    private static normalizeInsertOptions;
    private static normalizeUpdateOptions;
    private static normalizeDeleteOptions;
    private static normalizeMergeOptions;
    private static normalizeColumnArray;
    private static collectSelectItems;
    private static collectSelectColumnNames;
    private static ensurePrimaryKeys;
    private static prepareInsertColumns;
    private static prepareUpdateColumns;
    private static prepareDeleteColumns;
    private static prepareMergeColumns;
    private static rebuildSelectClause;
    private static getSelectItemName;
    private static ensureSelectClauseSize;
    private static extractWithClause;
    private static buildEqualityPredicate;
    private static toColumnReference;
    private static mergeUniqueColumns;
}