import type { FormField } from '@devvit/shared';
/**
 * Make sure that the form fields have unique names.
 *
 * This is a carbon copy of the assertValidFormFields function in the public-api package
 * We copy it here so that @devvit/client does not need to depend on public-api
 * Any changes to this function should be reflected in the public-api version
 */
export declare function assertValidFormFields(fields: readonly FormField[], seenNames?: Set<string>): void;
export declare function assertAppSecretsOnly(fields: readonly FormField[]): void;
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