/**
 * Dependency Graph Builder
 *
 * Builds a dependency graph from SQL templates using @depends-on comments
 * and provides topological sorting and cycle detection.
 */
/**
 * Input template for dependency analysis
 */
export interface TemplateInput {
    path: string;
    content: string;
}
/**
 * Build a dependency graph from templates
 *
 * Uses @depends-on comments to determine dependencies.
 * Dependencies are matched by filename (basename) to full paths.
 *
 * Returns a Map where:
 * - Keys are template paths
 * - Values are arrays of template paths that the key depends on
 */
export declare function buildDependencyGraph(templates: TemplateInput[]): Map<string, string[]>;
/**
 * Topologically sort templates based on dependencies
 *
 * Returns templates in an order where dependencies come before dependents.
 * Uses depth-first search for stable ordering.
 *
 * Note: If cycles exist, returns a best-effort ordering.
 * Use detectCycles() first to warn users.
 */
export declare function topologicalSort(graph: Map<string, string[]>): string[];
/**
 * Detect cycles in the dependency graph
 *
 * Returns an array of cycles found. Each cycle is an array of template paths
 * representing the cycle (e.g., ['/a.sql', '/b.sql'] means a -> b -> a).
 */
export declare function detectCycles(graph: Map<string, string[]>): string[][];