import { type DialectConfig } from '../../dialect/index.js';
import { SchemaAST } from '../../schema/schemaAST.js';
import type { Dialect } from '../../type/index.js';
import type { TableSchema } from '../../type/migration.js';
/**
 * Base class for SQL introspectors with shared AST building logic.
 */
export declare abstract class BaseSqlIntrospector {
    protected readonly dialect: Dialect;
    protected readonly config: DialectConfig;
    constructor(dialect: Dialect);
    protected escapeId(identifier: string): string;
    /**
     * Introspect entire database schema and return SchemaAST.
     */
    introspect(): Promise<SchemaAST>;
    abstract getTableNames(): Promise<string[]>;
    abstract getTableSchema(tableName: string): Promise<TableSchema | undefined>;
    /**
     * Build SchemaAST from table schemas.
     */
    protected buildAST(tableSchemas: TableSchema[]): SchemaAST;
    private buildTables;
    private buildRelationships;
    private buildIndexes;
    private columnSchemaToCanonical;
}
//# sourceMappingURL=baseSqlIntrospector.d.ts.map