import type { ProviderRuntimeMetadata } from './interface.js';
import type { ProviderRegistry } from './registry.js';
export interface ProviderModelSnapshot {
    readonly id: string;
    readonly registryKey: string;
    readonly displayName: string;
    readonly selectable: boolean;
    readonly contextWindow: number;
    readonly tier?: string | undefined;
    readonly pricing?: {
        readonly inputPerMillionTokens: number;
        readonly outputPerMillionTokens: number;
        readonly currency: 'USD';
        /** Where the rates came from: 'user' (manual/registration, "your price"), 'provider' (served rates), 'catalog' (dated catalog). */
        readonly source: 'user' | 'provider' | 'catalog';
        /** ISO date (YYYY-MM-DD) of the catalog/provider pricing snapshot; absent for user prices. */
        readonly asOf?: string | undefined;
    };
}
export interface ProviderRuntimeSnapshot {
    readonly providerId: string;
    readonly active: boolean;
    readonly modelCount: number;
    readonly runtime: ProviderRuntimeMetadata;
    readonly models: readonly ProviderModelSnapshot[];
}
export interface ProviderUsageSnapshot {
    readonly providerId: string;
    readonly active: boolean;
    readonly currentModelRegistryKey?: string | undefined;
    /**
     * Where the served prices came from: a single source when every priced
     * model agrees ('user' = manual/registration, "your price"; 'provider' =
     * provider-served rates; 'catalog' = the dated catalog), 'mixed' when they
     * disagree, or 'none' when no model carries pricing.
     */
    readonly pricingSource: 'user' | 'catalog' | 'provider' | 'mixed' | 'none';
    /** Oldest ISO date (YYYY-MM-DD) among the dated (catalog/provider) model prices served; absent when none carried a date. */
    readonly pricingAsOf?: string | undefined;
    readonly models: readonly ProviderModelSnapshot[];
    readonly usage: NonNullable<ProviderRuntimeMetadata['usage']>;
}
export declare function listProviderRuntimeSnapshots(providerRegistry: Pick<ProviderRegistry, 'listProviders' | 'getRegistered' | 'getCurrentModel' | 'listModels' | 'resolveModelPricing' | 'describeRuntime'>): Promise<readonly ProviderRuntimeSnapshot[]>;
export declare function getProviderRuntimeSnapshot(providerRegistry: Pick<ProviderRegistry, 'getRegistered' | 'getCurrentModel' | 'listModels' | 'resolveModelPricing' | 'describeRuntime'>, providerId: string): Promise<ProviderRuntimeSnapshot | null>;
export declare function getProviderUsageSnapshot(providerRegistry: Pick<ProviderRegistry, 'getRegistered' | 'getCurrentModel' | 'listModels' | 'resolveModelPricing' | 'describeRuntime'>, providerId: string): Promise<ProviderUsageSnapshot | null>;
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