import { MetadataEntry, Procedure } from '../../internal';
import { ExtrinsicParams, ProcedureAuthorization, TransactionSpec } from '../../types/internal';
/**
 * @hidden
 */
export type Params = {
    metadataEntry: MetadataEntry;
};
/**
 * @hidden
 */
export declare function prepareClearMetadata(this: Procedure<Params, void>, params: Params): Promise<TransactionSpec<void, ExtrinsicParams<'assets', 'removeMetadataValue'>>>;
/**
 * @hidden
 */
export declare function getAuthorization(this: Procedure<Params, void>, { metadataEntry: { asset } }: Params): ProcedureAuthorization;
/**
 * @hidden
 */
export declare const clearMetadata: () => Procedure<Params, void>;
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