/**
 * One word of a line as the gate reads it: `raw` as typed, `text` what
 * it names before expansion (quotes removed, escapes resolved), null
 * when only the runtime can say (a parameter or command substitution,
 * a brace expansion).
 */
export interface Word {
    readonly raw: string;
    readonly text: string | null;
}
/** The text the gate works with: the literal when it has one, the word as typed otherwise. */
export declare function wordValue(word: Word): string;
/**
 * A line a command runs on the words it was given. Exactly one shape
 * applies. `line` is text the runtime parses afresh (`eval`'s joined
 * words, `sh -c`'s program, `mapfile -C`'s callback); `argv` is a
 * command already split into words (`command`, `exec`, `env`,
 * `timeout`, `xargs`, `find -exec`, `nohup`, `nice`, `time`); neither
 * is a line the gate cannot read at all (a sourced file, a script, a
 * program from stdin). `open` says the runtime appends operands the
 * gate cannot read (`xargs`'s items, `find`'s `{}` paths).
 */
export interface InnerLine {
    readonly line: string | null;
    readonly argv: readonly Word[];
    readonly open: boolean;
}
/** Whether the gate can read what runs. */
export declare function innerReadable(inner: InnerLine): boolean;
/**
 * The lines a command runs on the words it was given, for the words
 * that run other words.
 *
 * The table is the workspace shell's own re-dispatchers (every builtin
 * that hands a constructed line back to the evaluator: `eval`, `source`,
 * `command`, `env`, `timeout`, `xargs`, `mapfile -C`, `sh`/`bash`, an
 * executed path) plus the classic prefix runners a real shell has and
 * the workspace shell does not (`builtin`, `exec`, `nohup`, `nice`,
 * `time`, `find -exec`). A whole-line runtime is a real shell, so
 * anything else that
 * can run a command (an interpreter's `-c`, `make`, `git` hooks) is the
 * runtime's own world: the allow list is the closed form there.
 */
export declare function innerLines(head: string, args: readonly Word[]): InnerLine[];
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