/** Dependency-free computer capability policy shared by the registry and implementation. */
export interface ComputerSettingsSource {
    settings: {
        get(key: string): unknown;
        has(key: string): boolean;
    };
}
export declare function setComputerPlatformForTests(platform: NodeJS.Platform | undefined): void;
export declare function setComputerArchForTests(arch: NodeJS.Architecture | undefined): void;
export declare function currentComputerPlatform(): NodeJS.Platform;
export declare function currentComputerArch(): NodeJS.Architecture;
export declare function isComputerSupportedPlatform(platform?: NodeJS.Platform, arch?: NodeJS.Architecture): boolean;
/** Whether the capability is listable on this host. Windows is the only excluded platform. */
export declare function isComputerLoadablePlatform(platform?: NodeJS.Platform): boolean;
export declare function isComputerEnabled(session: ComputerSettingsSource): boolean;
export declare function isComputerCallable(session: ComputerSettingsSource, platform?: NodeJS.Platform, arch?: NodeJS.Architecture): boolean;