import type { JsonSchemaObject } from "../../shared/types.ts";
export declare const STRUCTURED_OUTPUT_SCHEMA_ENV = "PI_SUBAGENT_STRUCTURED_OUTPUT_SCHEMA";
export declare const STRUCTURED_OUTPUT_CAPTURE_ENV = "PI_SUBAGENT_STRUCTURED_OUTPUT_CAPTURE";
export declare const MISSING_STRUCTURED_OUTPUT_CALL_ERROR = "Missing structured_output call; this step has outputSchema and must finish by calling structured_output.";
export interface StructuredOutputRuntime {
    schema: JsonSchemaObject;
    schemaPath: string;
    outputPath: string;
}
export declare function createStructuredOutputToolParameters(schema: JsonSchemaObject): JsonSchemaObject;
interface CompiledJsonSchema {
    Check(value: unknown): boolean;
    Errors(value: unknown): Iterable<{
        instancePath?: string;
        message?: string;
    }>;
}
type CompileJsonSchema = (schema: unknown) => CompiledJsonSchema;
export declare function resolveCompileFromPackageRoot(packageRoot: string): Promise<CompileJsonSchema | undefined>;
export declare function assertJsonSchemaObject(schema: unknown, label?: string): asserts schema is JsonSchemaObject;
export declare function createStructuredOutputRuntime(schema: JsonSchemaObject, baseDir?: string): StructuredOutputRuntime;
export declare function validateStructuredOutputValue(schema: JsonSchemaObject, value: unknown): Promise<{
    status: "valid";
} | {
    status: "invalid";
    message: string;
}>;
export declare function readStructuredOutput(runtime: StructuredOutputRuntime): Promise<{
    value?: unknown;
    error?: string;
}>;
export declare function cleanupStructuredOutputRuntime(runtime: StructuredOutputRuntime | undefined): void;
export {};
//# sourceMappingURL=structured-output.d.ts.map