/**
 * HeaderParams type and encoder
 */
/**
 * Request parameters for the header RPC method
 * @property {number} [height] - Optional block height. If not provided, returns the latest header
 */
export interface HeaderParams {
    readonly height?: number;
}
export interface EncodedHeaderParams {
    readonly height?: string;
}
export declare const HeaderParamsCodec: import("../../../codec").BaseCodec<EncodedHeaderParams>;
export declare function encodeHeaderParams(params: HeaderParams): EncodedHeaderParams;