import { type ElementNode, type NabiNode } from './types.js';
export interface SchemaEnv {
    readonly lumps: ReadonlySet<string>;
    readonly voids: ReadonlySet<string>;
    readonly blockHolders: ReadonlySet<string>;
    readonly inlineHolders: ReadonlySet<string>;
    readonly boolAttrs: ReadonlySet<string>;
    readonly attrSchemas?: ReadonlyMap<string, ReadonlySet<string>>;
    readonly boolAttrsByType?: ReadonlyMap<string, ReadonlySet<string>>;
    readonly clearableMarks?: ReadonlySet<string>;
    readonly clearableAttrs?: ReadonlySet<string>;
    readonly noAlign?: ReadonlySet<string>;
    readonly repair?: Readonly<Record<string, (node: ElementNode) => ElementNode | null>>;
}
export declare function $closeKnownTypes(env: SchemaEnv, types: Iterable<string>): void;
export declare function $copyKnownTypes(from: SchemaEnv, to: SchemaEnv): void;
export declare function $isKnownType(env: SchemaEnv, w: string): boolean;
export declare function $closeBuiltinAttrs(env: SchemaEnv, types: Iterable<string>): void;
export declare function $markBuiltinAttrOwner(owner: object, types: Iterable<string>): void;
export declare function $isBuiltinWing(owner: object): boolean;
export declare function $builtinAttrTypes(owner: object): readonly string[] | undefined;
export declare function $hasClosedBuiltinAttrs(env: SchemaEnv, w: string): boolean;
export declare function $usesClosedBuiltinAttrs(env: SchemaEnv): boolean;
export declare function makeEnv(draft: {
    readonly lumps?: readonly string[];
    readonly voids?: readonly string[];
    readonly blockHolders?: readonly string[];
    readonly inlineHolders?: readonly string[];
    readonly boolAttrs?: readonly string[];
    readonly attrSchemas?: ReadonlyMap<string, ReadonlySet<string>>;
    readonly boolAttrsByType?: ReadonlyMap<string, ReadonlySet<string>>;
    readonly clearableMarks?: readonly string[];
    readonly clearableAttrs?: readonly string[];
    readonly noAlign?: readonly string[];
    readonly repair?: Readonly<Record<string, (node: ElementNode) => ElementNode | null>>;
}): SchemaEnv;
export declare function isLump(node: NabiNode, env: SchemaEnv): node is ElementNode;
export declare function isWrapper(node: NabiNode, env: SchemaEnv): boolean;
export declare function refusesAlign(w: string, env: SchemaEnv): boolean;
export declare function takesAlign(node: NabiNode, env: SchemaEnv): boolean;
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