export declare const MAX_INPUT_BYTES: number;
export type DecodeResult = {
    readonly ok: true;
    readonly text: string;
} | {
    readonly ok: false;
    readonly reason: string;
};
export declare function isUint8Array(value: unknown): boolean;
export declare function decodeDocument(input: unknown, what: string): DecodeResult;
export type ParseResult = {
    readonly ok: true;
    readonly value: unknown;
} | {
    readonly ok: false;
    readonly reason: string;
};
export declare function parseDocument(input: unknown, what: string): ParseResult;