import { CommonTable } from "../models/Clause";
import { SqlComponent } from "../models/SqlComponent";
import { ValueComponent } from "../models/ValueComponent";
import { TableColumnResolver } from "./TableColumnResolver";
export interface SelectOutputColumn {
    name: string;
    value: ValueComponent;
    outputIndex: number;
    sourceAlias: string | null;
    sourceName: string | null;
    sourceColumnName: string | null;
}
/**
 * Collects SELECT output columns without collapsing duplicate output names.
 *
 * This collector is intended for callers that need stable SELECT-list positions.
 * It keeps output order and assigns outputIndex after supported wildcard expansion.
 */
export declare class SelectOutputCollector {
    private tableColumnResolver;
    private commonTableCollector;
    private commonTables;
    constructor(tableColumnResolver?: TableColumnResolver | null, initialCommonTables?: CommonTable[] | null);
    collect(arg: SqlComponent): SelectOutputColumn[];
    private collectRaw;
    private collectSimpleSelectQuery;
    private collectSelectItem;
    private expandWildcard;
    private collectFromClause;
    private collectJoinClause;
    private getJoinSourceName;
    private collectSourceExpression;
    private findCommonTable;
    private collectTableSource;
    private collectNestedSelectQuery;
    private collectCteQuery;
    private collectReturningOutputs;
    private extractReturningOutputs;
    private extractSelectItemName;
    private qualifyOutputs;
    private createExplicitOutput;
    private resolveColumnSourceMetadata;
    private getSourceMatchNames;
    private getColumnReferenceSourceAlias;
    private getColumnReferenceSourceName;
    private isSelectQuery;
}