import type { Skill } from "../extensibility/skills";
import type { Tool } from "../tools";
import type { AgentSession } from "./agent-session";
export declare function estimateSkillsTokens(skills: readonly Skill[]): number;
export declare function estimateToolSchemaTokens(tools: ReadonlyArray<Pick<Tool, "name" | "description" | "parameters">>): number;
/**
 * Compute just the NON-MESSAGE token total: system prompt (with its skills
 * section subtracted, since skills are tokenized separately) + system context
 * (the rest of the system-prompt array) + tools + skills.
 *
 * Exposed so callers like `StatusLineComponent` can cache the non-message
 * total separately from the message total. Non-message inputs (skills,
 * tools, system prompt) change rarely; the message list grows on every
 * streaming turn. Splitting the two lets the caller refresh each on its own
 * cadence — non-message recomputed only when the inputs identity changes,
 * messages walked incrementally as new entries append.
 */
export declare function computeNonMessageTokens(session: AgentSession): number;
/**
 * Shared helper for the four non-message token totals. Single source of truth
 * for `computeNonMessageTokens` (session estimates + status-line incremental
 * cache) and `computeContextBreakdown` (/context panel). The split avoids
 * drift between the surfaces — they MUST report the same numbers.
 */
export declare function computeNonMessageBreakdown(session: AgentSession): {
    rulesTokens: number;
    skillsTokens: number;
    toolsTokens: number;
    systemContextTokens: number;
    systemPromptTokens: number;
};