import { NeonClientError } from "./errors.js";
import { type NeonResult } from "./result.js";
/** Validate only the operation-object boundary and its required selectors. */
export declare function validateParams(value: unknown, method: string, required?: Record<string, "string" | "number" | "array">): NeonClientError | undefined;
/** Relocated v4 option keys must not be ignored on a shared CallOptions object. */
export declare function validateCallOptions(opts: object | undefined): NeonClientError | undefined;
/** Keep invalid JavaScript inputs on the same async result/throw contract. */
export declare function invalidParamsResult<T>(error: NeonClientError, shouldThrow: boolean): Promise<T | NeonResult<T>>;
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