import type { CanonicalPublicAttrs, CanonicalPublicAttrValue, HsonNode } from "../../../core/types.js";
import type { AttrHandle, FlagHandle } from "../../../types/attrs.types.js";
import type { LiveTree } from "../livetree.js";
export declare function attr_handle<TTree extends LiveTree>(tree: TTree): AttrHandle<TTree>;
/** Apply one canonical attrs final state without consulting public binding delegation. */
export declare function apply_projected_attrs_replacement(node: HsonNode, values: CanonicalPublicAttrs): void;
export declare function flag_handle<TTree extends LiveTree>(tree: TTree): FlagHandle<TTree>;
/** Canonical single-value writer retained for existing internal managers. */
export declare function setAttrsImpl<TTree extends LiveTree>(tree: TTree, name: string, value: CanonicalPublicAttrValue): TTree;
export declare function setAttrsImpl<TTree extends LiveTree>(tree: TTree, values: CanonicalPublicAttrs): TTree;
export declare function removeAttrImpl<TTree extends LiveTree>(tree: TTree, name: string): TTree;
export declare function getAttrImpl(tree: LiveTree, name: string): CanonicalPublicAttrValue | undefined;
export declare function readAttrFromNode(node: HsonNode, name: string): CanonicalPublicAttrValue | undefined;
export declare function hasAttrImpl(tree: LiveTree, name: string): boolean;
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