/**
 * Per-action subcommand views for connector service tools (issue #51377).
 *
 * Service tools register one command whose flag set is the union of every
 * action's parameters, so a wrong-action flag parses fine and fails (or is
 * silently dropped) server-side. Servers that build the per-action map send
 * it as an additive `actions` field on the /tools entry; these helpers
 * validate that map into renderable views so index.ts can register each
 * action as a real Commander subcommand — scoped flags, parse-time
 * rejection of wrong-action flags, per-action --help. When the field is
 * absent (older server) or fails validation, the caller keeps today's
 * union-flag command unchanged.
 */
import type { ToolSchema } from './types.js';
export interface ActionView {
    name: string;
    description: string;
    /** Parameter names scoped to this action, in server order. */
    parameters: string[];
    /** Subset of `parameters` the server marks required. */
    required: string[];
}
/**
 * Build per-action views from a tool's `actions` map, or null when the
 * tool should keep the union-flag registration: no map (old server),
 * empty map, a primary_arg other than the action dispatcher, or a map
 * entry whose shape is not usable. All-or-nothing on purpose — a
 * partially-subcommanded tool would silently lose the missing actions.
 */
export declare function serviceActionViews(tool: ToolSchema): ActionView[] | null;
/**
 * Extract one action's segment from a merged parameter description.
 *
 * The server tags shared parameters per owning action:
 *   "[send] Body text | [upload] Caption for the file card"
 * A union command shows the whole string; a per-action subcommand should
 * show only its own segment. Splitting is anchored on the known action
 * names (`[name] ` at the start or after ` | `) so descriptions that
 * themselves contain pipes or brackets never split wrong. Returns the
 * input unchanged when it carries no tag for `action` (single-owner
 * parameters keep their `[action] ` prefix stripped only when it matches).
 */
export declare function actionScopedDescription(description: string, action: string, allActions: string[]): string;
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