export interface ValidationResult {
    valid: boolean;
    errors: string[];
}
/**
 * Validates that the given data conforms to the expected Dashboard JSON structure.
 * Checks for the presence and correct types of `nodes` and `edges` arrays,
 * and validates that each node has `id`, `type`, `name` and each edge has `source`, `target`, `type`.
 * Returns all validation errors found, not just the first.
 */
export declare function validateDashboard(data: unknown): ValidationResult;