/**
 * Datasource content generator
 * Converts DatasourceDefinition to native .datasource file format
 */
import type { DatasourceDefinition } from "../schema/datasource.js";
/**
 * Generated datasource content
 */
export interface GeneratedDatasource {
    /** Datasource name */
    name: string;
    /** The generated .datasource file content */
    content: string;
}
/**
 * Generate a .datasource file content from a DatasourceDefinition
 *
 * @param datasource - The datasource definition
 * @returns Generated datasource content
 *
 * @example
 * ```ts
 * const events = defineDatasource('events', {
 *   description: 'User events',
 *   schema: {
 *     timestamp: t.dateTime(),
 *     user_id: t.string(),
 *     event: t.string(),
 *   },
 *   engine: engine.mergeTree({
 *     sortingKey: ['user_id', 'timestamp'],
 *   }),
 * });
 *
 * const { content } = generateDatasource(events);
 * // Returns:
 * // DESCRIPTION >
 * //     User events
 * //
 * // SCHEMA >
 * //     timestamp DateTime,
 * //     user_id String,
 * //     event String
 * //
 * // ENGINE "MergeTree"
 * // ENGINE_SORTING_KEY "user_id, timestamp"
 * ```
 */
export declare function generateDatasource(datasource: DatasourceDefinition): GeneratedDatasource;
/**
 * Generate .datasource files for all datasources in a project
 *
 * @param datasources - Record of datasource definitions
 * @returns Array of generated datasource content
 */
export declare function generateAllDatasources(datasources: Record<string, DatasourceDefinition>): GeneratedDatasource[];
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