/**
 * Pine Script na-aware inequality comparison.
 *
 * In Pine Script, any comparison involving `na` returns `false`:
 *   na != na   → false
 *   1  != na   → false
 *   na != 1    → false
 *
 * This cannot be implemented as `!__eq(a, b)` because __eq(na, na) returns
 * false, and !false = true — which is wrong. Both == and != must independently
 * return false when either operand is na.
 */
export declare function __neq(context: any): (a: any, b: any) => boolean;
