/**
 * Structural Cypher comparison utility that normalizes whitespace
 * and parameter names for deterministic test assertions.
 */
export declare class CypherAssert {
    /**
     * Normalize a Cypher string for structural comparison:
     * - Collapse all whitespace sequences to a single space
     * - Trim leading/trailing whitespace
     * - Rename params to canonical $p0, $p1, etc. (in order of appearance)
     */
    static normalize(cypher: string): string;
    /**
     * Assert two Cypher strings are structurally equal after normalization.
     * Throws an Error if they differ.
     */
    static assertStructurallyEqual(actual: string, expected: string): void;
    /**
     * Assert that a Cypher string contains a specific clause.
     * @param cypher - The full Cypher string
     * @param clauseType - e.g., 'WHERE', 'MATCH', 'RETURN', 'SET'
     * @param pattern - Substring to search for within the clause
     */
    static assertContainsClause(cypher: string, clauseType: string, pattern: string): void;
    /**
     * Assert that a Cypher string does NOT contain a specific clause/pattern.
     */
    static assertNotContainsClause(cypher: string, clauseTypeOrPattern: string, pattern?: string): void;
    /**
     * Assert parameter values match expected.
     * Only checks the keys present in expected (doesn't require exact match on all params).
     */
    static assertParams(actual: Record<string, unknown>, expected: Record<string, unknown>): void;
}
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