export type LlmPresetKey = 'deepseek' | 'moonshot' | 'zhipu' | 'mimo' | 'custom';
export interface LlmPresetDef {
    key: LlmPresetKey;
    /** Human label for CLI lists (Web uses i18n keys). */
    label: string;
    provider: 'openai-compat' | 'anthropic';
    baseUrl: string;
    /** Primary model for Agim Agent (native-chat). */
    model: string;
    /** Optional cheaper model for cheap / evaluator roles. */
    cheapModel?: string;
    /**
     * All models to register under one API key on quick-enable.
     * Defaults to `[model, cheapModel?]` when omitted.
     */
    models?: readonly string[];
    /** Suggested backend name stem (unique-ified by callers). */
    baseName: string;
    /** Where operators get an API key. */
    apiKeyDoc?: string;
    /**
     * Default Agim Agent thinking level when session.variant is auto/empty.
     * Mapped onto pi-ai ThinkingLevel at runtime (`max` → `xhigh`).
     */
    defaultThinking?: 'off' | 'high' | 'max';
}
/** Curated presets. First entry is the Agim Agent default. */
export declare const LLM_PRESETS: readonly LlmPresetDef[];
export declare const DEFAULT_LLM_PRESET: LlmPresetDef;
export declare function getLlmPreset(key: string | undefined | null): LlmPresetDef | undefined;
/** Models registered for a preset (primary first). */
export declare function presetModels(preset: LlmPresetDef): string[];
/**
 * Backend name stem for a preset model.
 * Prefer the model id itself so UI / `/model` switch show the same string
 * operators already know (e.g. `deepseek-v4-pro`).
 */
export declare function presetBackendStem(baseName: string, model: string, _index: number): string;
export declare function suggestLlmBackendName(base: string, existing: string[]): string;
/** Detect DeepSeek endpoints (official + common proxies that keep the hostname). */
export declare function isDeepSeekBaseUrl(baseUrl: string | undefined | null): boolean;
/**
 * Detect Kimi / Moonshot endpoints (China `moonshot.cn` + international
 * `moonshot.ai`, plus hostnames that keep "kimi").
 */
export declare function isKimiBaseUrl(baseUrl: string | undefined | null): boolean;
/** Kimi K3 family — always-on thinking via top-level `reasoning_effort`. */
export declare function isKimiK3Model(model: string | undefined | null): boolean;
/**
 * Kimi K2.x family — `thinking: { type: enabled|disabled }` (+ optional keep).
 * Includes `kimi-k2.5` / `kimi-k2.6` / `kimi-k2.7-code` (+ highspeed).
 */
export declare function isKimiK2Model(model: string | undefined | null): boolean;
export declare function isKimiModel(model: string | undefined | null): boolean;
/**
 * Detect Zhipu / GLM endpoints (China `bigmodel.cn` + international `z.ai`).
 */
export declare function isZhipuBaseUrl(baseUrl: string | undefined | null): boolean;
/** GLM-5.2+ — `thinking.type` + `reasoning_effort` (max/high/…). */
export declare function isGlm52Model(model: string | undefined | null): boolean;
/** Any current GLM chat model id (`glm-4.x` / `glm-5…`). */
export declare function isGlmModel(model: string | undefined | null): boolean;
/**
 * Detect Xiaomi MiMo API hosts (pay-as-you-go + Token Plan CN/intl).
 * See https://mimo.mi.com/docs/zh-CN/quick-start/faq/api-integration
 */
export declare function isMimoBaseUrl(baseUrl: string | undefined | null): boolean;
/** Current MiMo chat models (`mimo-v2.5` / `mimo-v2.5-pro` / UltraSpeed…). */
export declare function isMimoModel(model: string | undefined | null): boolean;
/**
 * Map a baseUrl onto a built-in preset key using vendor host families
 * (not exact hostname). Used by quick-enable dedupe so intl hosts
 * (`api.moonshot.ai`, `api.z.ai`, …) collide with the China defaults.
 * `custom` is never returned.
 */
export declare function builtinPresetKeyForBaseUrl(baseUrl: string | undefined | null): Exclude<LlmPresetKey, 'custom'> | null;
/**
 * Default /think fallback for a backend URL (and optional model id).
 * DeepSeek / Kimi / GLM / MiMo default to their preset's `defaultThinking`.
 */
export declare function resolveDefaultThinking(baseUrl: string | undefined | null, model?: string | undefined | null): 'off' | 'high' | 'max';
/**
 * Map agim session.variant (/think) → pi-ai ThinkingLevel.
 * DeepSeek / Kimi / GLM / MiMo map xhigh→max; unsupported mid levels stay
 * as-is for providers that accept them (Kimi K3 / GLM-5.2 support low/high/max).
 */
export declare function mapVariantToThinkingLevel(variant: string | undefined | null, fallback?: 'off' | 'high' | 'max'): 'off' | 'minimal' | 'low' | 'medium' | 'high' | 'xhigh';
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