/**
 * @license
 * Copyright 2022-2026 Matter.js Authors
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * Mark a function as a decorator.
 */
export declare function Decorator<T extends Function>(decorate: T): T;
/**
 * A function that may act as a tc39 decorator.
 */
export type Decorator = Decorator.Class<any> | Decorator.Property<any, any>;
export declare namespace Decorator {
    /**
     * Determine if a function is marked as a decorator.
     */
    function is(fn: Function): fn is Decorator;
    interface Class<T extends abstract new (...args: any) => any = abstract new (...args: any) => any> {
        (target: T, context: ClassDecoratorContext<T>): T | void;
    }
    interface ClassMethod<This = unknown, T extends (this: This, ...args: any) => any = (this: This, ...args: any) => any> {
        (target: T, context: ClassMethodDecoratorContext): T | void;
    }
    interface ClassGetter<This = unknown, Value = unknown, T = (this: This, value: Value) => void> {
        (target: T, context: ClassGetterDecoratorContext<This, Value>): T | void;
    }
    interface ClassSetter<This = unknown, Value = unknown, T = (this: This) => Value> {
        (target: T, context: ClassSetterDecoratorContext): T | void;
    }
    interface ClassField<This = unknown, Value = unknown> {
        (target: undefined, context: ClassFieldDecoratorContext<This, Value>): ((initialValue: Value) => Value) | void;
    }
    type ClassAccessor<This = unknown, Value = unknown> = {
        (target: ClassAccessorDecoratorTarget<This, Value>, context: ClassAccessorDecoratorContext<This, Value>): ClassAccessorDecoratorResult<{}, unknown>;
    };
    type Property<This = unknown, Value = unknown> = ClassGetter<This, Value> | ClassSetter<This, Value> | ClassField<This, Value> | ClassAccessor<This, Value>;
    type PropertyContext<This = unknown, Value = unknown> = ClassGetterDecoratorContext<This, Value> | ClassSetterDecoratorContext<This, Value> | ClassFieldDecoratorContext<This, Value> | ClassAccessorDecoratorContext<This, Value>;
    interface ClassCollector {
        (target: NewableFunction, context: ClassDecoratorContext): void;
    }
    interface MethodCollector {
        (target: CallableFunction, context: ClassMethodDecoratorContext<any, any>): void;
    }
    interface PropertyCollector {
        (target: CallableFunction | undefined, context: PropertyContext<any, any>): void;
    }
    interface Collector {
        (target: NewableFunction | CallableFunction | undefined, context: DecoratorContext): void;
    }
}
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