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pub trait ImmutableStringReader {
fn remaining_length(&self) -> usize;
fn total_length(&self) -> usize;
fn get_read(&self) -> &str;
fn remaining(&self) -> &str;
fn can_read_length(&self, length: usize) -> bool;
fn can_read(&self) -> bool;
fn peek(&self) -> char;
fn peek_offset(&self, offset: usize) -> char;
}
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