import type { ResolveSkillSourceContext } from './types.js';
/** Test seam: lets unit tests simulate a foreign-owned dir without a second OS user. */
export interface StageOptions {
    /** Override the "current uid" used for the ownership check (test-only). */
    uidOverride?: number;
}
/**
 * Copy `srcDir` into `<ctx.stagingRoot>/<key>` and return the forward-slash
 * absolute staged path.
 *
 * §7 hardening: the staging root is created 0700; a pre-existing staging root
 * or key dir that is not owned by the current uid is rejected; symlinked path
 * components in the SOURCE tree are refused (never copied through).
 *
 * @param srcDir Absolute path to the resolved source directory.
 * @param ctx Resolution context (supplies stagingRoot).
 * @param key Content-addressed key (already sanitized — caller passes a hash or hex).
 * @returns Forward-slash absolute staged directory path.
 */
export declare function stageDirInto(srcDir: string, ctx: ResolveSkillSourceContext, key: string, opts?: StageOptions): Promise<string>;
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