public static System.ReadOnlyMemory <System.Char8> AsMemory(this System.Utf8String?text, System.Range range) { throw null; }
public static System.ReadOnlyMemory <System.Char8> AsMemory(this System.Utf8String?text, System.Index startIndex) { throw null; }
public static System.ReadOnlyMemory <System.Char8> AsMemory(this System.Utf8String?text, int start, int length) { throw null; }
public void Deconstruct(out System.Utf8String before, out System.Utf8String?after) { throw null; }
public Utf8Span(System.Utf8String?value) { throw null; }
public void Deconstruct(out System.Utf8String?item1, out System.Utf8String?item2, out System.Utf8String?item3) { throw null; }
public void Deconstruct(out System.Utf8String?item1, out System.Utf8String?item2, out System.Utf8String?item3, out System.Utf8String?item4, out System.Utf8String?item5, out System.Utf8String?item6, out System.Utf8String?item7, out System.Utf8String?item8) { throw null; }
public static System.Text.Utf8Span AsSpan(this System.Utf8String?text) { throw null; }
public static System.Text.Utf8Span AsSpan(this System.Utf8String?text, int start, int length) { throw null; }
public static System.ReadOnlyMemory <byte> AsMemoryBytes(this System.Utf8String?text, System.Range range) { throw null; }
public static System.ReadOnlyMemory <byte> AsMemoryBytes(this System.Utf8String?text, int start, int length) { throw null; }
public static System.ReadOnlyMemory <byte> AsMemoryBytes(this System.Utf8String?text, System.Index startIndex) { throw null; }
public static System.ReadOnlySpan <byte> AsBytes(this System.Utf8String?text, int start) { throw null; }
public static bool AreEquivalent(System.Utf8String?utf8Text, string?utf16Text) { throw null; }