import type { SemanticLayer } from '../semantic-layer.js';
export interface SemanticLayerProviderConfig {
    provider: 'dql' | 'dbt' | 'cubejs' | 'lookml' | 'snowflake';
    /** Path to the external project (for dbt, cubejs, lookml). */
    projectPath?: string;
    /** dbt manifest path, relative to projectPath unless absolute. */
    manifestPath?: string;
    /** dbt semantic manifest path, relative to projectPath unless absolute. */
    semanticManifestPath?: string;
    /** dbt source-model roots, relative to projectPath unless absolute. */
    modelPaths?: string[];
    /** Path to DQL's native semantic-layer/ directory. */
    path?: string;
    /** Source type for the semantic layer definitions. Defaults to 'local'. */
    source?: 'local' | 'github' | 'gitlab';
    /** Git repository URL (for source: 'github' or 'gitlab'). */
    repoUrl?: string;
    /** Branch to use when cloning a remote repo. Defaults to 'main'. */
    branch?: string;
    /** Sub-path within the cloned repo where the project lives. */
    subPath?: string;
    /** Named connection reference (for provider: 'snowflake'). */
    connection?: string;
}
export interface ImportPreview {
    metrics: Array<{
        name: string;
        label: string;
        domain?: string;
        type?: string;
        table?: string;
    }>;
    dimensions: Array<{
        name: string;
        label: string;
        domain?: string;
        type?: string;
        table?: string;
    }>;
    cubes: Array<{
        name: string;
        label: string;
        domain?: string;
        table?: string;
    }>;
    domains: string[];
    warnings: string[];
    totalMetrics: number;
    totalDimensions: number;
}
export interface ImportValidationResult {
    valid: boolean;
    errors: string[];
    warnings: string[];
}
export interface SemanticLayerProvider {
    readonly name: string;
    /** Load semantic definitions and populate a SemanticLayer instance. */
    load(config: SemanticLayerProviderConfig, projectRoot: string): SemanticLayer;
    preview?(config: SemanticLayerProviderConfig, projectRoot: string): ImportPreview;
    validate?(config: SemanticLayerProviderConfig, projectRoot: string): ImportValidationResult;
}
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