export declare const OPENCODE_PLUGIN_MARKER = "oh-my-plumb-opencode-plugin";
/**
 * Whether the OpenCode on this machine is v2. Both versions install a binary
 * named `opencode`, so the version is what tells them apart: the v2 installer
 * adds an `opencode2` alias and reports a 2.x `--version`, v1 reports 0.x.
 */
export declare const opencodeIsV2: () => boolean;
/**
 * The plugin as shipped in the package. The installed file only points at it,
 * so an upgrade needs no reinstall. OpenCode discovers `plugins/*.js` and
 * `*.ts` only, so the installed file is `.js` whatever the package uses, and
 * it points at whichever version's module that version's loader accepts:
 * v1 wants the function in `oh-my-plumb.mjs`, v2 the `{ id, setup }` object in
 * `oh-my-plumb-v2.js`, and neither reads the other's.
 */
export declare const pluginSourcePath: () => string;
/** Records `oh-my-plumb` in the npm `plugin` list OpenCode itself installs and updates; true when the list changed. Existing entries are left alone. Returns false on any write failure, so `init` keeps going. */
export declare const addOpencodePackagePlugin: () => boolean;
export declare const installOpencodePlugin: (target: string) => void;
export declare const uninstallOpencodePlugin: (target: string) => boolean;
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