/**
 * Does this argument list name chat-recall as a channel server?
 *
 * Each flag takes a list that runs until the next argument starting with `-`.
 * The list can also hold `plugin:<name>@<marketplace>` and, when the prompt
 * follows the flag, the prompt itself: a token only matches on an exact name.
 */
export declare function listsOurServer(args: readonly string[]): boolean;
/** The command line of a process, or null when it is gone or unreadable. */
export declare function commandLineOf(pid: number): string[] | null;
/**
 * The command lines above this process: the parent, then the grandparent.
 *
 * Two, for the same reason the message hook watches two: Claude Code may run us
 * through a shell, and that shell can outlive the Claude process that started
 * it. Deeper would reach a terminal multiplexer or an editor, whose flags say
 * nothing about this session.
 */
export declare function ancestorPids(from?: number, depth?: number): number[];
export declare function ancestorCommandLines(pids?: readonly number[]): string[][];
export interface ChannelDecision {
    enabled: boolean;
    /** Why, for CHAT_RECALL_MESSAGE_HOOK_DEBUG and the log. */
    reason: string;
}
/** Whether this session wants channel delivery. */
export declare function channelDecision(env?: NodeJS.ProcessEnv, args?: readonly string[], ancestors?: () => string[][]): ChannelDecision;
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