import { ForwardRef } from '../forwardRef';
import { InjectType, Token } from '../types';
/**
 * Metadata for an injection.
 */
export interface InjectMetadata {
    /**
     * The token of the injection.
     * If this is not set then the {@link Injector} will try to check the type metadata added by the TypeScript compiler.
     */
    token?: Token | ForwardRef<Token>;
    /**
     * The way in which this injection was done.
     * The {@link Inject} decorator itself will only use {@link InjectType.PROPERTY} and {@link InjectType.CONSTRUCTOR}.
     */
    injectType: InjectType;
    /**
     * The property key of the injection.
     * This is only set when {@link InjectMetadata.injectType} is set to {@link InjectType.PROPERTY}.
     */
    propertyKey?: string | symbol;
    /**
     * The parameter index of the injection.
     * This is only set when {@link InjectMetadata.injectType} is set to {@link InjectType.CONSTRUCTOR}.
     */
    parameterIndex?: number;
}