import { Channel } from "@effect/core/stream/Channel/definition/base";
/**
 * Returns a new channel, which flattens the terminal value of this channel.
 * This function may only be called if the terminal value of this channel is
 * another channel of compatible types.
 * @tsplus getter effect/core/stream/Channel flatten
 * @tsplus location "@effect/core/stream/Channel/operations/flatten"
 */
export declare function flatten<Env, InErr, InElem, InDone, OutErr, OutElem, Env1, InErr1, InElem1, InDone1, OutErr1, OutElem1, OutDone2>(self: Channel<Env, InErr, InElem, InDone, OutErr, OutElem, Channel<Env1, InErr1, InElem1, InDone1, OutErr1, OutElem1, OutDone2>>): Channel<Env | Env1, InErr & InErr1, InElem & InElem1, InDone & InDone1, OutErr | OutErr1, OutElem | OutElem1, OutDone2>;
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