import type { ProviderOptions } from '@ai-sdk/provider-utils';
import type { ModelMessage, SystemModelMessage, ToolSet } from 'ai';
import type { PromptCachingConfig } from '../../types/sdk/agent';
export declare function mergeProviderOptions(...options: Array<ProviderOptions | undefined>): ProviderOptions | undefined;
export declare function getEffectiveAnthropicCacheTtl(config: PromptCachingConfig | undefined, modelId: string): '5m' | '1h' | undefined;
export declare function getModelProvider(modelId: string): string;
export declare function isAnthropicMessagesProvider(modelId: string): boolean;
export declare function buildInstructionPromptCacheOptions(config: PromptCachingConfig | undefined, modelId: string): ProviderOptions | undefined;
export declare function buildCallPromptCacheOptions(config: PromptCachingConfig | undefined, modelId: string, context: {
    agentName: string;
    instructions: string;
}): ProviderOptions | undefined;
export declare function applyRuntimeCacheBreakpoints(params: {
    system: SystemModelMessage | SystemModelMessage[];
    messages: ModelMessage[];
    aiTools: ToolSet;
    promptCaching: PromptCachingConfig | undefined;
    modelId: string;
    staticToolCacheName: string | undefined;
}): {
    messages: ModelMessage[];
    aiTools: ToolSet;
};