/**
 * A type that matches a string-to-string metadata map
 * in the form of a map or an object.
 */
export type Metadata = Map<string, string> | Record<string, string>;
/**
 * A type that matches a variety of Apache arrow like schemas.
 *
 */
export type SchemaWithMetadata = {
    /** Schema level metadata */
    metadata?: Metadata;
    /** Field top-level metadata */
    fields?: {
        name: string;
        metadata?: Metadata;
    }[];
};
export declare function getMetadataValue(metadata: Metadata, key: string): string | null;
export declare function setMetadataValue(metadata: Metadata, key: string, value: string): void;
//# sourceMappingURL=metadata-utils.d.ts.map