export declare const ASYNC_PIPELINE_DECLARATION: unique symbol;
export declare const ASYNC_PIPELINE_DECLARATION_VERSION = 1;
export type DeclarationKind = string;
export interface DeclarationMetadata {
    kind: DeclarationKind;
    version: number;
}
export type BrandedDeclaration<T extends object> = T & {
    readonly [ASYNC_PIPELINE_DECLARATION]?: DeclarationMetadata;
};
export declare function brandDeclaration<T extends object>(value: T, kind: DeclarationKind): BrandedDeclaration<T>;
export declare function readDeclaration(value: unknown): DeclarationMetadata | undefined;
export declare function hasDeclarationKind(value: unknown, kind: DeclarationKind): boolean;
export declare function assertSupportedDeclaration(value: unknown, expectedKind?: DeclarationKind): DeclarationMetadata | undefined;
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