def rpc_get_methods(client, current=None, include_aliases=None):
    """Get list of supported RPC methods.
    Args:
        current: Get list of RPC methods only callable in the current state.
        include_aliases: Include aliases in the list with RPC methods.
    """
    params = {}

    if current:
        params['current'] = current
    if include_aliases:
        params['include_aliases'] = include_aliases

    return client.call('rpc_get_methods', params)