import type { ClickHouseMaterializedViewDefinition, ClickHouseMaterializedViewInputDefinition, ClickHouseSchemaAst, ClickHouseSchemaDefinition, ClickHouseTableDefinition, ClickHouseTableInputDefinition } from './types.js';
/**
 * Creates a schema AST from the tables and materialized views declared in code.
 *
 * The returned AST is intentionally not SQL yet. It is serialized into a stable
 * snapshot first, then diffed against a previous snapshot to generate migrations.
 */
export declare function defineSchema(definition: ClickHouseSchemaDefinition): ClickHouseSchemaAst;
/**
 * Defines a ClickHouse table for the migration DSL.
 *
 * Column builders are keyed by their final column names, which keeps the schema
 * definition compact while preserving enough structure for snapshot diffing.
 */
export declare function defineTable(name: string, definition: ClickHouseTableInputDefinition): ClickHouseTableDefinition;
/**
 * Defines a ClickHouse materialized view and records its source-table dependency.
 *
 * The `from` and `to` fields may reference table definitions directly or use table
 * names. Dependencies are used by the renderer to drop and recreate views around
 * table mutations that could otherwise break stored SELECT definitions.
 */
export declare function defineMaterializedView(name: string, definition: ClickHouseMaterializedViewInputDefinition): ClickHouseMaterializedViewDefinition;
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