export type JsonObject = Record<string, unknown>;
export declare function asObject(value: unknown): JsonObject | undefined;
export declare function readString(source: unknown, ...keys: string[]): string | undefined;
/**
 * protobuf JSON serialises 64-bit integers as strings so they survive JSON's 2^53 limit,
 * so a numeric field can legitimately arrive as either a number or a decimal string.
 */
export declare function readNumber(source: unknown, ...keys: string[]): number | undefined;
export declare function readBoolean(source: unknown, ...keys: string[]): boolean | undefined;
export declare function readObject(source: unknown, ...keys: string[]): JsonObject | undefined;
export declare function readArray(source: unknown, ...keys: string[]): unknown[];
export declare function readObjectArray(source: unknown, ...keys: string[]): JsonObject[];
export declare function readStringArray(source: unknown, ...keys: string[]): string[];
/**
 * protobuf JSON renders an enum as its full symbolic name (`STATUS_FAILED`), while Depot's
 * docs and CLI describe the same values unprefixed (`failed`). Strip the declaring prefix so
 * callers see one spelling. Numeric encodings need a per-enum table and are handled by `mapEnumNumber`.
 */
export declare function readEnum(source: unknown, keys: readonly string[], prefixes?: readonly string[]): string | undefined;
export declare function mapEnumNumber(source: unknown, keys: readonly string[], table: Readonly<Record<number, string>>, prefixes?: readonly string[]): string | undefined;
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