/**
 * ModelCatalog — class-based wrapper around the model selection functions.
 *
 * Encapsulates model choice listing, runtime model discovery, gateway
 * auto-selection, model selection resolution, formatting, custom model
 * config parsing, and context-window resolution. The underlying
 * implementations live in `model-catalog.ts`; this class delegates to them,
 * giving callers a clean interface boundary.
 *
 * @public
 */
import { type ModelChoice, type ModelChoiceList, type CustomModelConfigParseResult } from './model-catalog.js';
import type { CliProviderPreset, ResolvedCliConfig } from './config.js';
export declare class ModelCatalog {
    commonModelChoices(provider: CliProviderPreset, currentModel?: string, options?: {
        usingBundledDefault?: boolean;
        configModel?: string;
    }): ModelChoice[];
    loadModelChoicesForRuntime(config?: Partial<ResolvedCliConfig>, currentModel?: string, options?: {
        fallbackProvider?: string;
        timeoutMs?: number;
        fetchImpl?: typeof fetch;
    }): Promise<ModelChoiceList>;
    autoSelectGatewayModel(config: Partial<ResolvedCliConfig>, options?: {
        timeoutMs?: number;
        fetchImpl?: typeof fetch;
        env?: NodeJS.ProcessEnv;
    }): Promise<string>;
    resolveModelSelection(input: string, choices: readonly ModelChoice[]): ModelChoice | null;
    formatModelChoices(list: ModelChoiceList): string;
    describeModelListSource(list: ModelChoiceList): string;
    parseCustomModelConfigInput(input: string): CustomModelConfigParseResult;
    formatCustomModelConfigInstructions(configPath?: string): string;
    resolveModelContextWindowFromApi(params: {
        baseUrl?: string;
        apiKey?: string;
        model: string;
        provider?: string;
        fetchImpl?: typeof fetch;
        timeoutMs?: number;
    }): Promise<number | undefined>;
    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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