import { type JsonObject, type SurfaceFamily } from "./ultragoal-runtime";
export declare function pngCrc32(bytes: Buffer): number;
export declare function parsePngDimensions(bytes: Buffer): {
    width: number;
    height: number;
    headerBytes: number;
    sampleBytes?: Buffer;
} | null;
export declare function parseJpegDimensions(bytes: Buffer): {
    width: number;
    height: number;
    headerBytes: number;
    sampleBytes?: Buffer;
} | null;
export declare function validateStructuralArtifact(cwd: string, row: JsonObject, fieldName: string, options: {
    surfaceFamily: SurfaceFamily;
    live: boolean;
}): Promise<boolean>;
export declare function isAllowedGitReplayCommand(args: readonly string[]): boolean;
export declare function resolveCliReplayCommand(command: string[], options?: {
    compiled?: boolean;
}): string[];
export declare function readCliReplayRecord(cwd: string, row: JsonObject, fieldName: string): Promise<JsonObject | null>;
export interface ReplayProcessHandle {
    readonly exited: Promise<number>;
    readonly pid?: number;
    kill(signal?: number | NodeJS.Signals): void;
}
export declare function waitForReplayProcessWithTimeout(handle: ReplayProcessHandle, timeoutMs: number, graceMs?: number): Promise<number>;
export declare function validateReplayExemptFallback(cwd: string, record: JsonObject, fieldName: string, artifactRefs: Map<string, JsonObject>, options: {
    surfaceFamily: SurfaceFamily;
    live: boolean;
}): Promise<boolean>;
export declare function validateCliReplay(cwd: string, row: JsonObject, fieldName: string, options: {
    live: boolean;
}): Promise<boolean>;
export declare function validateLiveSurfaceProofPresence(cwd: string, family: SurfaceFamily, artifactIds: string[], artifactRefs: Map<string, JsonObject>): Promise<void>;
export declare function validateSurfaceStructuralRequirement(cwd: string, family: SurfaceFamily, artifactIds: string[], artifactRefs: Map<string, JsonObject>, fieldName: string): Promise<void>;
export declare function validateArtifactProof(cwd: string, row: JsonObject, fieldName: string, options: {
    surfaceFamily: SurfaceFamily;
    live: boolean;
}): Promise<void>;