import { type LlmBackendBinding, type LlmRole } from '../../../core/llm/registry.js';
import type { NativeModelBinding } from './index.js';
export declare function bindingToPiModel(b: LlmBackendBinding): NativeModelBinding | null;
/** Conservative context window for models missing from the pi catalog.
 *  Override with AGIM_NATIVE_UNKNOWN_CONTEXT_WINDOW (positive integer). */
export declare function resolveUnknownContextWindow(): number;
/** Resolve a pi model binding for an agim LLM role, or null when no usable
 *  backend (or an unsupported provider type) is configured. */
export declare function resolvePiModelForRole(role: LlmRole): NativeModelBinding | null;
/** Resolve a pi model binding from the first configured backend, ignoring roles. */
export declare function resolveAnyPiModel(): NativeModelBinding | null;
/** Resolve a pi model binding from an explicit agim backend name. */
export declare function resolvePiModelByBackendName(name: string | undefined): NativeModelBinding | null;
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