/**
 * Enforcement for `CodaliGatewayRequest.response.schema`.
 *
 * The field has been part of the request contract for a while but was never
 * validated — only `response.format === "json"` was read, so a caller could ask
 * for a schema and receive anything at all. That pushes parsing and correction
 * logic into every consuming product, which is precisely the duplication Codali
 * exists to remove.
 *
 * Validation reuses the same structural rules as tool-argument validation so a
 * schema behaves identically whether it describes a tool input or a response.
 */
export interface ResponseSchemaViolation {
    path: string;
    message: string;
}
export interface ResponseSchemaValidation {
    ok: boolean;
    value?: unknown;
    violations: ResponseSchemaViolation[];
}
/**
 * Extracts a JSON value from a model response. Models routinely wrap JSON in
 * prose or a fenced block even when told not to, and rejecting those outright
 * would burn a repair attempt on a formatting quirk rather than a real
 * structural failure.
 */
export declare const extractJsonPayload: (content: string) => unknown;
export declare const validateResponseAgainstSchema: (content: string, schema: Record<string, unknown> | undefined) => ResponseSchemaValidation;
/** Human-readable violation list, used to prompt one repair attempt. */
export declare const describeViolations: (violations: ResponseSchemaViolation[]) => string;
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