export type ValidationSuccess = {
    valid: true;
};
export type ValidationError = {
    valid: false;
    errors: QueryValidationError[];
};
export type ValidationResult = ValidationSuccess | ValidationError;
export type QueryValidationError = {
    /** JSONPath-style location of the offending node, e.g. "$and[0].age" */
    path: string;
    message: string;
};
/**
 * Validates the structure of a query object against the query schema.
 * Returns a discriminated union: { valid: true } or { valid: false, errors[] }.
 *
 * Does NOT validate field names against a specific InputObject — it only
 * checks that the query itself is structurally sound (correct operator
 * positions, correct operand types, no unknown operators, etc.).
 */
export declare function validateQuery(query: unknown): ValidationResult;