/**
 * DeukPack C++ DDL Generator
 * Converts Deuk structs → SQL CREATE TABLE statements
 * Supports: MySQL, PostgreSQL, SQLite
 */
import { DeukPackAST } from '../../types/DeukPackTypes';
export type SqlDialect = 'mysql' | 'postgresql' | 'sqlite';
export declare class CppDdlGenerator {
    private dialect;
    private ast;
    constructor(ast: DeukPackAST, dialect?: SqlDialect);
    /**
     * Generate SQL DDL for all table structs
     */
    generate(): Map<string, string>;
    /**
     * Determine if struct represents a database table (opt-in via annotation)
     */
    private isTableStruct;
    /**
     * Generate CREATE TABLE statement for single struct
     */
    private generateTableDdl;
    /**
     * Parse struct fields into ColumnDef list
     */
    private parseColumns;
    /**
     * Determine which fields to include in schema
     */
    private shouldIncludeField;
    /**
     * Map Deuk type to SQL type (dialect-aware)
     */
    private deukTypeToSqlType;
    /**
     * Parse constraints from struct metadata
     */
    private parseConstraints;
    /**
     * Render single column definition
     */
    private renderColumn;
    /**
     * Render constraint definition
     */
    private renderConstraint;
    /**
     * Convert camelCase to snake_case
     */
    private toSnakeCase;
    /**
     * Escape SQL string literals
     */
    private escapeSql;
}
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