/**
 * Schema Generator
 * Generates comprehensive schema.sql files for tables, columns, constraints, and indexes
 */
import type { IDatabaseConnection, IGeneratedFile, IGeneratorOptions } from '../../types';
import type { Client } from 'pg';
import { BaseGenerator } from '../baseGenerator';
export declare class SchemaGenerator extends BaseGenerator {
    private introspection;
    private tableBuilder;
    private sequenceBuilder;
    private constraintBuilder;
    private tableConverter;
    private tableSorter;
    constructor(client: Client, connection: IDatabaseConnection, options: IGeneratorOptions);
    protected getGeneratorName(): string;
    protected shouldSkip(): boolean;
    protected validateData(): Promise<void>;
    generate(): Promise<IGeneratedFile[]>;
    private generateSchemaSQL;
    /**
     * Override generateHeader to add timestamp
     */
    protected generateHeader(title: string, description: string): string;
    /**
     * Override generateFooter to add end marker
     */
    protected generateFooter(): string;
    /**
     * Override generateSchemaCreationSQL to handle non-public schemas
     */
    protected generateSchemaCreationSQL(): string;
    /**
     * Override generateComment for consistency
     */
    protected generateComment(comment: string): string;
    /**
     * Override escapeIdentifier for consistency
     */
    protected escapeIdentifier(identifier: string): string;
}
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