export declare const PROGRESS_STATUSES: readonly ["in_progress", "completed"];
export type ProgressStatus = (typeof PROGRESS_STATUSES)[number];
export interface ProgressReport {
    summary: string;
    status: ProgressStatus;
}
export declare const MAX_PROGRESS_EVENTS_PER_ATTEMPT = 64;
export declare const REPORT_PROGRESS_INPUT_SCHEMA: {
    readonly type: "object";
    readonly additionalProperties: false;
    readonly required: readonly ["summary", "status"];
    readonly properties: {
        readonly summary: {
            readonly type: "string";
            readonly minLength: 1;
            readonly maxLength: 240;
        };
        readonly status: {
            readonly type: "string";
            readonly enum: readonly ["in_progress", "completed"];
        };
    };
};
export declare class ProgressValidationError extends Error {
    constructor(message: string);
}
/** Strict shared normalizer: Unicode trim, exact fields/types, then code-point length. */
export declare function normalizeProgressReport(value: unknown): ProgressReport;
export declare function tryNormalizeProgressReport(value: unknown): ProgressReport | null;