/**
 * Anthropic Models - Subscription Tier Access and Capabilities
 *
 * This module defines Anthropic Claude models, their availability by subscription tier,
 * model capabilities, and provides helper functions for tier-based access control.
 */
import type { ClaudeSubscriptionTier, AnthropicModelMetadata } from "../types/index.js";
import { ModelAccessError } from "../types/index.js";
export { ModelAccessError };
/**
 * Anthropic Claude model identifiers
 *
 * @description Enum of all available Claude models with their exact API identifiers.
 * Models are organized by family (Haiku, Sonnet, Opus) and version.
 */
export declare enum AnthropicModel {
    CLAUDE_3_HAIKU = "claude-3-haiku-20240307",
    CLAUDE_3_5_HAIKU = "claude-3-5-haiku-20241022",
    CLAUDE_3_5_SONNET = "claude-3-5-sonnet-20241022",
    CLAUDE_3_5_SONNET_V2 = "claude-3-5-sonnet-v2-20241022",
    CLAUDE_SONNET_4 = "claude-sonnet-4-20250514",
    CLAUDE_SONNET_4_6 = "claude-sonnet-4-6",
    CLAUDE_3_OPUS = "claude-3-opus-20240229",
    CLAUDE_OPUS_4 = "claude-opus-4-20250514",
    CLAUDE_OPUS_4_6 = "claude-opus-4-6"
}
/**
 * Model access mapping by subscription tier
 *
 * Each tier includes progressively more models:
 * - free: Basic models for casual use (Haiku only)
 * - pro: Professional tier with Sonnet models
 * - max: All models including the latest flagship Opus
 * - api: Full API access to all models (based on API access)
 */
export declare const MODEL_TIER_ACCESS: Record<ClaudeSubscriptionTier, string[]>;
/**
 * Model metadata by model ID
 *
 * Comprehensive mapping of each Anthropic model's metadata,
 * including display names, context windows, vision support, and extended thinking.
 */
export declare const MODEL_METADATA: Record<string, AnthropicModelMetadata>;
/**
 * Default model for each subscription tier
 *
 * These are the recommended default models that provide the best
 * balance of capability and cost for each tier level.
 */
export declare const DEFAULT_MODELS_BY_TIER: Record<ClaudeSubscriptionTier, string>;
/**
 * Check if a model is available for a given subscription tier
 *
 * @param model - The model ID to check (can be enum value or string)
 * @param tier - The subscription tier to check against
 * @returns true if the model is available for the tier
 *
 * @example
 * ```typescript
 * if (isModelAvailableForTier(AnthropicModel.CLAUDE_OPUS_4, "pro")) {
 *   // Model not available for pro tier
 * }
 *
 * if (isModelAvailableForTier(AnthropicModel.CLAUDE_OPUS_4, "max")) {
 *   // Model available for max tier
 * }
 * ```
 */
export declare function isModelAvailableForTier(model: string, tier: ClaudeSubscriptionTier): boolean;
/**
 * Get all models available for a given subscription tier
 *
 * @param tier - The subscription tier
 * @returns Array of model IDs available for the tier
 *
 * @example
 * ```typescript
 * const models = getAvailableModelsForTier("pro");
 * console.log(models);
 * // ["claude-3-haiku-20240307", "claude-3-5-haiku-20241022", "claude-3-5-sonnet-20241022", ...]
 * ```
 */
export declare function getAvailableModelsForTier(tier: ClaudeSubscriptionTier): string[];
/**
 * Get the human-readable display name for a model
 *
 * @param model - The model ID
 * @returns The display name, or the model ID if not found
 *
 * @example
 * ```typescript
 * const name = getModelDisplayName(AnthropicModel.CLAUDE_OPUS_4);
 * console.log(name); // "Claude Opus 4"
 *
 * const unknown = getModelDisplayName("unknown-model");
 * console.log(unknown); // "unknown-model"
 * ```
 */
export declare function getModelDisplayName(model: string): string;
/**
 * Get the default/recommended model for a given subscription tier
 *
 * Returns the best default model that should be used for each tier.
 *
 * @param tier - The subscription tier
 * @returns The default model ID for the tier
 *
 * @example
 * ```typescript
 * const model = getDefaultModelForTier("max");
 * console.log(model); // "claude-opus-4-20250514"
 *
 * const proModel = getDefaultModelForTier("pro");
 * console.log(proModel); // "claude-sonnet-4-20250514"
 * ```
 */
export declare function getDefaultModelForTier(tier: ClaudeSubscriptionTier): string;
/**
 * Get metadata for a specific model
 *
 * @param model - The model ID
 * @returns The model metadata, or undefined if not found
 *
 * @example
 * ```typescript
 * const metadata = getModelMetadata(AnthropicModel.CLAUDE_OPUS_4);
 * if (metadata?.supportsExtendedThinking) {
 *   // Enable extended thinking mode
 * }
 * ```
 */
export declare function getModelMetadata(model: string): AnthropicModelMetadata | undefined;
/**
 * Check if a model supports a specific capability
 *
 * @param model - The model ID
 * @param capability - The capability to check
 * @returns true if the model supports the capability
 *
 * @example
 * ```typescript
 * if (modelSupportsCapability(AnthropicModel.CLAUDE_OPUS_4, "supportsExtendedThinking")) {
 *   // Use extended thinking
 * }
 * ```
 */
export declare function modelSupportsCapability(model: string, capability: keyof Omit<AnthropicModelMetadata, "displayName" | "description" | "family">): boolean;
/**
 * Get the minimum subscription tier required for a model
 *
 * @param model - The model ID to check
 * @returns The minimum tier required, or "api" if model not found
 *
 * @example
 * ```typescript
 * const tier = getMinimumTierForModel(AnthropicModel.CLAUDE_OPUS_4);
 * console.log(tier); // "max"
 *
 * const haikuTier = getMinimumTierForModel(AnthropicModel.CLAUDE_3_HAIKU);
 * console.log(haikuTier); // "free"
 * ```
 */
export declare function getMinimumTierForModel(model: string): ClaudeSubscriptionTier;
/**
 * Get all models that support a specific capability
 *
 * @param capability - The capability to filter by
 * @returns Array of model IDs that have the capability
 *
 * @example
 * ```typescript
 * const thinkingModels = getModelsWithCapability("supportsExtendedThinking");
 * console.log(thinkingModels);
 * // ["claude-sonnet-4-20250514", "claude-opus-4-20250514"]
 * ```
 */
export declare function getModelsWithCapability(capability: keyof Omit<AnthropicModelMetadata, "displayName" | "description" | "family">): string[];
/**
 * Get models filtered by family (haiku, sonnet, opus)
 *
 * @param family - The model family to filter by
 * @returns Array of model IDs in the specified family
 *
 * @example
 * ```typescript
 * const opusModels = getModelsByFamily("opus");
 * // ["claude-3-opus-20240229", "claude-opus-4-20250514"]
 * ```
 */
export declare function getModelsByFamily(family: AnthropicModelMetadata["family"]): string[];
/**
 * Get the latest (non-deprecated) model in each family
 *
 * @returns Object mapping family name to the latest model in that family
 *
 * @example
 * ```typescript
 * const latest = getLatestModelsByFamily();
 * console.log(latest.opus); // "claude-opus-4-20250514"
 * console.log(latest.sonnet); // "claude-sonnet-4-20250514"
 * ```
 */
export declare function getLatestModelsByFamily(): Record<AnthropicModelMetadata["family"], string | undefined>;
/**
 * Validate that a model is accessible for a given tier, throwing if not
 *
 * @param model - The model ID to validate
 * @param tier - The subscription tier to validate against
 * @throws {ModelAccessError} If the model is not available for the tier
 *
 * @example
 * ```typescript
 * try {
 *   validateModelAccess(AnthropicModel.CLAUDE_OPUS_4, "free");
 * } catch (error) {
 *   if (error instanceof ModelAccessError) {
 *     console.log(`Upgrade to ${error.requiredTier} to use this model`);
 *   }
 * }
 * ```
 */
export declare function validateModelAccess(model: string, tier: ClaudeSubscriptionTier): void;
/**
 * Compare subscription tiers
 *
 * @param tier1 - First tier to compare
 * @param tier2 - Second tier to compare
 * @returns Negative if tier1 < tier2, positive if tier1 > tier2, 0 if equal
 */
export declare function compareTiers(tier1: ClaudeSubscriptionTier, tier2: ClaudeSubscriptionTier): number;
/**
 * Get context window size for a model
 *
 * @param model - The model ID
 * @returns The context window size in tokens, or 0 if model not found
 */
export declare function getContextWindow(model: string): number;
/**
 * Get max output tokens for a model
 *
 * @param model - The model ID
 * @returns The max output tokens, or 0 if model not found
 */
export declare function getMaxOutputTokens(model: string): number;
/**
 * Check if a model supports vision/image input
 *
 * @param model - The model ID
 * @returns true if the model supports vision
 */
export declare function supportsVision(model: string): boolean;
/**
 * Check if a model supports extended thinking
 *
 * @param model - The model ID
 * @returns true if the model supports extended thinking
 */
export declare function supportsExtendedThinking(model: string): boolean;
/**
 * Alias for getDefaultModelForTier for backward compatibility
 * @deprecated Use getDefaultModelForTier instead
 */
export declare const getRecommendedModelForTier: typeof getDefaultModelForTier;
/**
 * Alias for getModelMetadata for backward compatibility
 * @deprecated Use getModelMetadata instead
 */
export declare const getModelCapabilities: typeof getModelMetadata;