import type { NegativeTest } from './generators.js';
export interface algebraTestGen {
    name: string;
    json: unknown;
    quads: boolean;
    sparql: string | undefined;
    canonicalSparql: string | undefined;
}
export type AlgebraTestSuite = 'dawg-syntax' | 'sparql-1.1' | 'sparql11-query' | 'sparql12';
/**
 * Yields algebra-level test cases from the static test fixtures.
 * Each test provides a SPARQL query, expected algebra JSON, and optionally a canonical SPARQL string.
 * @param suite - The test suite to iterate.
 * @param blankToVariable - Whether to use the blank-to-variable fixture variant.
 * @param getSPARQL - Whether to load the SPARQL and canonical SPARQL strings.
 */
export declare function sparqlAlgebraTests(suite: AlgebraTestSuite, blankToVariable: boolean, getSPARQL: true): Generator<algebraTestGen & {
    sparql: string;
    canonicalSparql: string;
}>;
export declare function sparqlAlgebraTests(suite: AlgebraTestSuite, blankToVariable: boolean, getSPARQL: boolean): Generator<algebraTestGen>;
type GenQuery = {
    query: string;
    name: string;
};
/**
 * Yields raw SPARQL query strings from the static test fixtures for a given suite.
 * @param suite - The test suite to iterate.
 */
export declare function sparqlQueries(suite: AlgebraTestSuite): Generator<GenQuery>;
export type NegativeAlgebraSuite = 'sparql-1.1-negative' | 'sparql-1.2-negative';
/**
 * Yields test cases for negative (invalid) algebra-level tests.
 * Each test provides a SPARQL query that should fail during algebra transformation.
 * @param suite - The negative test suite to iterate.
 * @param filter - Optional filter predicate applied to the test file name.
 */
export declare function sparqlAlgebraNegativeTests(suite: NegativeAlgebraSuite, filter?: (name: string) => boolean): Generator<NegativeTest>;
export {};