import { AbstractDialect } from '../../dialect/index.js';
import type { ForeignKeyAction, IndexNode, TableNode } from '../../schema/types.js';
import type { FieldOptions, IndexSchema, NamingStrategy, SchemaDiff, SchemaGenerator, Type } from '../../type/index.js';
import type { TableDefinition } from '../builder/types.js';
export declare class MongoSchemaGenerator extends AbstractDialect implements SchemaGenerator {
    constructor(namingStrategy?: NamingStrategy, defaultForeignKeyAction?: ForeignKeyAction);
    generateCreateTable<E>(entity: Type<E>): string;
    generateDropTable<E>(entity: Type<E>): string;
    generateAlterTable(diff: SchemaDiff): string[];
    generateAlterTableDown(diff: SchemaDiff): string[];
    generateCreateIndex(tableName: string, index: IndexSchema): string;
    generateDropIndex(tableName: string, indexName: string): string;
    getSqlType(fieldOptions: FieldOptions, fieldType?: unknown): string;
    getBooleanType(): string;
    generateColumnDefinitions(): string[];
    generateColumnDefinition(): string;
    generateColumnDefinitionFromSchema(): string;
    generateTableConstraints(): string[];
    generateAlterColumnStatements(): string[];
    getTableOptions(): string;
    generateColumnComment(): string;
    formatDefaultValue(): string;
    generateCreateTableFromNode(table: TableNode): string;
    generateCreateIndexFromNode(index: IndexNode): string;
    generateDropTableFromNode(table: TableNode): string;
    generateCreateTableFromDefinition(table: TableDefinition): string;
    generateDropTableSql(tableName: string): string;
    generateRenameTableSql(oldName: string, newName: string): string;
    generateAddColumnSql(): string;
    generateDropColumnSql(): string;
    generateRenameColumnSql(): string;
    generateAlterColumnSql(): string;
    generateCreateIndexSql(tableName: string, index: IndexSchema): string;
    generateDropIndexSql(tableName: string, indexName: string): string;
    generateAddForeignKeySql(): string;
    generateDropForeignKeySql(): string;
    diffSchema<E>(entity: Type<E>, currentTable: TableNode | undefined): SchemaDiff | undefined;
}
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