/** Result of executing a custom command. */
export type ExecuteResult = ExitExecuteResult | ContinueExecuteResult;
export declare function getAbortedResult(): ExecuteResult;
/** Tells the shell it should exit immediately with the provided exit code. */
export interface ExitExecuteResult {
    /** Discriminator. */
    kind: "exit";
    /** Exit code to use and completely exit the shell with. */
    code: number;
}
/** Tells the shell to continue executing. */
export interface ContinueExecuteResult {
    /** Discriminator. */
    kind?: undefined;
    /** Exit code to use. */
    code: number;
    /** Changes to the shell that should occur (ex. unsetting env vars). */
    changes?: EnvChange[];
}
/** Change that alters the environment.
 *
 * Used for registering custom commands.
 */
export type EnvChange = SetEnvVarChange | SetShellVarChange | UnsetVarChange | CdChange;
/** Change that sets an environment variable (ex. `export ENV_VAR=VALUE`)
 *
 * Used for registering custom commands.
 */
export interface SetEnvVarChange {
    /** Discriminator. */
    kind: "envvar";
    /** Name of the env var to set. */
    name: string;
    /** Value to set the env var to. */
    value: string;
}
/** Change that sets a shell variable (ex. `ENV_VAR=VALUE`)
 *
 * Used for registering custom commands.
 */
export interface SetShellVarChange {
    /** Discriminator. */
    kind: "shellvar";
    /** Name of the shell var to set. */
    name: string;
    /** Value to set the shell var to. */
    value: string;
}
/** Change that deletes the environment variable (ex. `unset ENV_VAR`).
 *
 * Used for registering custom commands.
 */
export interface UnsetVarChange {
    /** Discriminator. */
    kind: "unsetvar";
    /** Nave of the env var to unset. */
    name: string;
}
/** Change that alters the current working directory.
 *
 * Used for registering custom commands.
 */
export interface CdChange {
    /** Discriminator. */
    kind: "cd";
    /** Relative or absolute directory to change to. */
    dir: string;
}
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