import type { Tool } from '../core/tools/tool-types.js';
export interface RuntimeCapabilityTool {
    name: string;
}
export interface RuntimeCapabilitiesPromptOptions {
    tools: readonly RuntimeCapabilityTool[] | readonly Tool[];
    mcpEnabled?: boolean;
    mcpServerNames?: readonly string[];
    /**
     * Unused after de-duplication — kept on the options type for source
     * compatibility. The tool list is no longer rendered into the prompt
     * (tool names already appear in the tool definitions sent to the model).
     * @deprecated
     */
    maxToolNames?: number;
}
export declare function isCodeGraphToolName(toolName: string): boolean;
/**
 * Build the runtime-capabilities layer of the system prompt. This deliberately
 * does NOT list every registered tool name — the model already receives the
 * full tool definitions (name + description + schema) as part of the request,
 * so echoing the names here would be pure duplication that bloats the prompt
 * without adding information. We surface only what the tool definitions
 * cannot tell the model: the MCP connection state, whether CodeGraph tools are
 * available (and the fallback discipline when they are not), and the
 * non-negotiable "do not invent tool names" contract.
 */
export declare function buildRuntimeCapabilitiesPrompt(options: RuntimeCapabilitiesPromptOptions): string;
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