import { type CliProviderPreset, type ResolvedCliConfig } from './config.js';
export interface ModelChoice {
    provider: CliProviderPreset;
    model: string;
    label?: string;
    source: 'live' | 'built-in' | 'common' | 'current';
}
export interface ModelChoiceList {
    provider: CliProviderPreset;
    providerLabel: string;
    currentModel: string;
    choices: ModelChoice[];
    source: 'live' | 'built-in' | 'common';
    configPath?: string;
    configPathExists?: boolean;
    usingBundledDefault?: boolean;
    realModel?: string;
    warning?: string;
}
export declare function describeModelListSource(list: ModelChoiceList): string;
export interface CustomModelConfig {
    provider: CliProviderPreset;
    model: string;
    baseUrl: string;
    apiKey: string;
}
export type CustomModelConfigParseResult = {
    ok: true;
    config: CustomModelConfig;
} | {
    ok: false;
    message: string;
};
export declare function parseCustomModelConfigInput(input: string): CustomModelConfigParseResult;
export declare function formatCustomModelConfigInstructions(configPath?: string): string;
export declare function commonModelChoices(provider: CliProviderPreset, currentModel?: string, options?: {
    usingBundledDefault?: boolean;
    configModel?: string;
}): ModelChoice[];
export declare function loadModelChoicesForRuntime(config?: Partial<ResolvedCliConfig>, currentModel?: string, options?: {
    fallbackProvider?: string;
    timeoutMs?: number;
    fetchImpl?: typeof fetch;
}): Promise<ModelChoiceList>;
export declare function autoSelectGatewayModel(config: Partial<ResolvedCliConfig>, options?: {
    timeoutMs?: number;
    fetchImpl?: typeof fetch;
    env?: NodeJS.ProcessEnv;
}): Promise<string>;
export declare function resolveModelSelection(input: string, choices: readonly ModelChoice[]): ModelChoice | null;
export declare function formatModelChoices(list: ModelChoiceList): string;
export declare function resolveModelContextWindowFromApi(params: {
    baseUrl?: string;
    apiKey?: string;
    model: string;
    provider?: string;
    fetchImpl?: typeof fetch;
    timeoutMs?: number;
}): Promise<number | undefined>;
export declare function resolveContextTokensForModel(params: {
    model: string;
    baseUrl?: string;
    apiKey?: string;
    provider?: string;
    explicitOverride?: number;
    fetchImpl?: typeof fetch;
    timeoutMs?: number;
}): Promise<{
    contextTokens: number;
    source: string;
}>;
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