import { Operation } from './operations';
export interface BroadcastOptions {
    roles: string[];
    operation: string;
    params: unknown[];
}
export declare function getOperation(operation: string): Operation | undefined;
export declare function validateOperation(options: BroadcastOptions): void;
export declare function createOperation(options: BroadcastOptions): [string, unknown[]];
export declare function createTransaction(operations: [string, unknown[]][]): {
    ref_block_num: number;
    ref_block_prefix: number;
    expiration: string;
    operations: [string, unknown[]][];
    extensions: unknown[];
};
export declare function createSignedTransaction(transaction: {
    ref_block_num: number;
    ref_block_prefix: number;
    expiration: string;
    operations: [string, unknown[]][];
    extensions: unknown[];
}, signatures: string[]): {
    ref_block_num: number;
    ref_block_prefix: number;
    expiration: string;
    operations: [string, unknown[]][];
    extensions: unknown[];
    signatures: string[];
};