import type { SessionLease } from './lease.js';
/**
 * Which running session a switch should be aimed at.
 *
 * `ccx use` can move one specific session instead of broadcasting to all of
 * them. This resolves the operator's choice against the live sessions, and is
 * pure so the (fiddly) ambiguity rules are tested without real processes.
 */
export interface TargetQuery {
    /** An explicit ccx-run pid (`--session <pid>`). */
    session?: number;
    /** Target the session running in `cwd` (`--here`). */
    here?: boolean;
    /** The working directory to match for `--here`; defaults to the caller's cwd. */
    cwd?: string;
}
export type TargetResolution = {
    kind: 'broadcast';
} | {
    kind: 'session';
    pid: number;
    lease: SessionLease;
} | {
    kind: 'error';
    message: string;
};
/** Describe a session compactly for a chooser message: "12345 (acct in C:/x)". */
export declare function describeLease(l: SessionLease): string;
/**
 * Resolve a target from the live leases. No query -> broadcast (the historical
 * `ccx use` behaviour). `--session` must match a live session. `--here` matches
 * by working directory, and is an error when nothing (or more than one thing)
 * matches, so a switch never silently lands on the wrong session.
 */
export declare function resolveTarget(leases: SessionLease[], query: TargetQuery): TargetResolution;