/** Pure normalization of account /models metadata; no transport, credentials, or model-name rules. */
export declare const ACCOUNT_MODEL_CATALOG_LIMITS: Readonly<{
    maxBytes: number;
    maxModels: 512;
    maxIdLength: 200;
    maxNameLength: 256;
    maxEndpoints: 16;
    maxEndpointLength: 128;
    maxEfforts: 32;
    maxEffortLength: 64;
    maxMediaTypes: 32;
}>;
export type AccountModelApi = 'anthropic-messages' | 'openai-responses' | 'openai-completions';
export type AccountModelHttpEndpoint = '/v1/messages' | '/responses' | '/chat/completions';
export type AccountModelCategory = 'powerful' | 'versatile' | 'lightweight';
type RecognizedEndpoint = AccountModelHttpEndpoint | 'ws:/responses';
/** Advertised data only; consumers must not turn unfamiliar labels into supported Core controls. */
export interface AccountModelReasoning {
    readonly advertisedEfforts: readonly string[];
    readonly unmappedEfforts: readonly string[];
    readonly adaptiveThinking?: boolean;
    readonly minThinkingBudget?: number;
    readonly maxThinkingBudget?: number;
}
export interface AccountModelDescriptor {
    readonly id: string;
    readonly name: string;
    readonly api: AccountModelApi;
    readonly contextWindow: number;
    /** Independent server prompt limit; absence is not replaced with the context window. */
    readonly maxInputTokens?: number;
    readonly maxTokens: number;
    readonly input: readonly ('text' | 'image')[];
    readonly category?: AccountModelCategory;
    readonly reasoning: AccountModelReasoning;
    readonly evidence: {
        /** Recognized endpoint literals only, never arbitrary URLs or query strings. */
        readonly endpoints: readonly RecognizedEndpoint[];
        readonly unsupportedEndpointCount: number;
        readonly selectedEndpoint: AccountModelHttpEndpoint;
        readonly apiSource: 'advertised-native' | 'advertised-priority';
        readonly policySource: 'server-enabled' | 'account-available-id';
        readonly contextWindowSource: 'max_context_window_tokens' | 'max_prompt_tokens';
        readonly visionMediaTypes?: readonly string[];
        readonly categoryDiagnostic?: 'missing' | 'unknown' | 'invalid';
    };
}
export interface AccountModelRejection {
    readonly id?: string;
    readonly code: string;
}
export interface AccountModelCatalog {
    readonly models: readonly AccountModelDescriptor[];
    readonly rejected: readonly AccountModelRejection[];
}
export interface AccountModelCatalogOptions {
    readonly nativeApis?: ReadonlyMap<string, string>;
    /** Proof supplied by the account-bound caller; used only when policy is absent. */
    readonly availableModelIds?: ReadonlySet<string>;
}
/**
 * Normalize an account-bound /models response without model-name inference.
 * JSON text is byte-bounded before parsing. Already-parsed objects have a
 * bounded known-field work budget; unknown fields are deliberately not visited,
 * so callers accepting objects must also bound the original transport body.
 * Returned candidates do not replace request-time OAuth/account checks.
 */
export declare function normalizeAccountModelCatalog(raw: unknown, options?: AccountModelCatalogOptions): AccountModelCatalog;
export {};
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