import type { DispatchFn } from '../../runtime/types.ts';
import type { PathSpec } from '../../types.ts';
import type { Session } from '../session/session.ts';
/**
 * Write a file, giving it the umask's mode if the write created it.
 *
 * Every shell path that opens a file for writing goes through here, so
 * `echo x > f` and `exec > f` agree about the mode a fresh file gets:
 * 0666 masked by the session's umask, which is what `open(2)` with
 * `O_CREAT` does. Living in one place is the point; the two callers had
 * drifted while it was private to one of them.
 *
 * The existence probe runs only under a non-default umask, because that
 * is the one case the answer changes anything: a fresh file already
 * renders as 644, which is 0666 under bash's default mask. A mode that
 * cannot be written is swallowed and not fatal, since the bytes are
 * already there and the write is what the caller asked for.
 */
export declare function createFile(dispatch: DispatchFn, session: Session, scope: PathSpec, data: Uint8Array): Promise<void>;
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