export declare const SUPPRESS_OUTPUT_LEAVES: ReadonlySet<string>;
/** True when the leaf at this full help-name path (e.g. "canvas snapshot")
 *  declares `preview.suppressOutput: true`. */
export declare function suppressOutputForLeaf(helpName: string): boolean;
/** Same lookup from argv tokens (e.g. ['node', 'inspect', 'snapshot', 'abc'])
 *  instead of a pre-joined help name. Matches a registered leaf name against
 *  a *prefix* of the tokens, not the whole joined tail, so a leaf's own
 *  positional arguments (e.g. the snapshot id in `node inspect snapshot
 *  abc`) don't prevent the match. */
export declare function suppressOutputForPath(tokens: readonly string[]): boolean;
export declare const HELP_ICON: string;
/** Resolve the Nerd Font glyph for a command's argv tokens: the longest
 *  matching LEAF_ICON_CP prefix, else the tokens[0] family glyph, else the
 *  generic ◆ fallback for an unmapped family. */
export declare function iconForPath(tokens: readonly string[]): string;
export type SummaryTone = 'plain' | 'success' | 'error' | 'warning' | 'muted' | 'accent';
export interface SummaryLine {
    text: string;
    tone?: SummaryTone;
}
/** Dispatch a command's argv tokens + its raw result text to the summarizer
 *  that owns that leaf path (longest-registered-prefix match, same shape as
 *  suppressOutputForPath), or null when no command owns a summary — the
 *  caller falls through to generic truncation in that case. */
export declare function summarizePath(tokens: readonly string[], rawText: string): SummaryLine[] | null;