export declare const REQUIRED_CHILD_TOOLS_ENV = "PI_SUBAGENT_REQUIRED_TOOLS";
export declare const MCP_DIRECT_CHILD_TOOLS_ENV = "PI_SUBAGENT_MCP_DIRECT_TOOLS";
export declare const CHILD_TOOL_DIAGNOSTIC_PATH_ENV = "PI_SUBAGENT_TOOL_DIAGNOSTIC_PATH";
export interface ChildToolDiagnostic {
    agent?: string;
    required: string[];
    available: string[];
    missing: string[];
    missingMcpDirectTools?: string[];
}
export declare function writeChildToolDiagnostic(filePath: string, required: string[], available: string[], agent?: string, mcpDirectTools?: string[]): ChildToolDiagnostic | undefined;
export declare function readChildToolDiagnostic(filePath: string | undefined): ChildToolDiagnostic | undefined;
export declare function formatChildToolDiagnostic(diagnostic: ChildToolDiagnostic): string;
export declare function readChildToolDiagnosticError(filePath: string | undefined): string | undefined;
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