export interface VisionCapability {
    provider: string;
    maxImageBytes: number;
    supportedMimeTypes: string[];
    maxResolution: number;
    supportsMultipleImages: boolean;
}
export interface VisionCapabilityProvider {
    getCapabilities(modelId: string): VisionCapability | null;
}
export interface VisionRegistryOptions {
    providers?: VisionCapabilityProvider[];
}
export declare class VisionRegistry {
    private providers;
    private defaults;
    constructor(options?: VisionRegistryOptions);
    registerProvider(provider: VisionCapabilityProvider): void;
    registerDefault(modelId: string, capability: VisionCapability): void;
    getCapabilities(modelId: string): VisionCapability | null;
    supportsVision(modelId: string): boolean;
    getMaxImageBytes(modelId: string): number;
}
export declare function createDefaultVisionRegistry(): VisionRegistry;
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